Di-Hybrid Crosses - you will be looking at 2 traits at the same time. Your goal will be to determinewhether two genes are on the same chromosome or not, and how far apart they are. Before you set outto solve the problem, let's do a warm up cross.Warm up Cross. Cross a wild type female with a male - design - Bristles -spineless and Wing shape -dumpy.
1.Based on your F1 resultsmake a claimabout how the dumpy and spineless bristles are inherited(e.g. autosomal, dominant, etc.). Justifyyour claim.
Based on the cross between a wild type female and a male with the genotype Bristles-spineless and Wing shape-dumpy, the F1 generation will all be heterozygous for the two traits: Bristles-spineless/+ and Wing shape-dumpy/+.
How to explain the informationIf the inheritance of these traits is autosomal, meaning they are located on non-sex chromosomes, then we can make the following claim that the inheritance of both traits is recessive.
If both traits are recessive, then the wild type female parent would have to be homozygous dominant for both traits (Bristles+/+ and Wing shape+/+) and the male parent would have to be homozygous recessive for both traits (Bristlesss and Wing shapedpdp).
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Your friend left a cage open and several genetically modified frog escaped. Near graduation you find that the population has been living in Tracer pond. Wild frogs are homozygous dominant for smooth skin the genetically modified are homozygous recessive for bumpy skin. There are 826 that are smooth skinned out of the 375 that are heterozygous and 85 frogs have bumpy skin
What is the frequency of the recessive allele?
What is the frequency of the dominant allele?
Select the correct answer.
Which phrase best describes "impotence" in men?
Answer: B
Explanation: Impotence or erectile dysfunction means that the male cannot maintain an erection, thus cannot do ejaculation either.
Taking on the attitudes of others because of real or imagined pressure is:
A. social cognition
B. minority influence
C. deindividuation
D. conformity
Melanie is researching whether some dinosaurs had feathers. She read the following paragraph in an article.
Evidence from various scientific disciplines suggests that certain types of dinosaurs, namely those that fall within the clade Therapoda, may have
had feathers. Theropod dinosaurs share many features with modern birds, including three-toed limbs, scales, hollow bones, and the number of
holes in their skulls. Both laid eggs, and both breathed in the same way, which is very different from the way that most terrestrial animals breathe.
These features, and a number of fossil finds, suggest that birds are modern-day descendants of dinosaurs.
Based on the paragraph, what would be the best way for Melanie to narrow the focus of her research?
While researching the question of whether dinosaurs had feathers, Melanie decided to focus on
A. The animals that came before the dinosaurs and may have led to both dinosaurs and birds.
B. The differences in the way dinosaurs in mammals breathe.
C. Theropod dinosaurs in the connection do birds.
D. Egg, laying animals, and how they relate to birds.
While researching the question of whether dinosaurs had feathers, Melanie decided to focus on
C. Theropod dinosaurs in the connection do birds.How to find the correct optionThe paragraph implies that specific dinosaurs, belonging to the Theropoda group, could have potentially had feathers and revealed comparable traits with modern avians.
Consequently, Melanie's research would be best served delving further into the relationship between these Theropod dinosaurs and birds.
Alternative A neglects to establish any correlation between feather existence in dinosaurs, while alternative B has no significance as a determining factor for establishing dinosaur plumage. Although option D does possess some relevance, it fails to specifically address the crucial link connecting Theropod creatures with their avian counterparts.
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Answer: its D egg laying animals and how they relate to birds
Explanation:
QUESTION 2 Why not a Tundra biome?
What is a Punnett Square? How does it relate to the Chromosomes and Inheritance Investigation?
Answer:
A Punnett square is a tool used in genetics to predict the probability of offspring inheriting certain traits based on the genotypes of their parents.
The Punnett square relates to Chromosomes and Inheritance Investigation because it's a tool that can be used to investigate how traits are inherited and passed down. By analyzing the results of Punnett squares for different crosses, scientists can better understand the underlying genetic mechanisms.
Explanation:
A gene found in naturally occurring soil bacterium, Bacillus thuringiensis (8t), contains a protein that kills certain insects. Scientists
have genetically modified certain organisms such as corn, potatoes, and cotton by introducing the Bt gene into their DNA in order
for these plants to have this desired trait. Which question were the scientists most likely trying to answer?
A. How can farmers produce more nutritional crops?
B. How can farmers use less insecticides on their crops?
C. How can farmers reduce the amount of land needed to grow their crops?
D. How can farmers reduce the amount of fertilizers they apply to the soil for
their crops?
Answer:
B. How can farmers use less insecticides on their crops?
Explanation:
The scientists were most likely trying to answer question B, "How can farmers use less insecticides on their crops?" The Bt gene from Bacillus thuringiensis produces a protein that is toxic to certain insects, making the plants resistant to insect pests. By introducing this gene into crops, farmers can reduce the need for chemical insecticides, which can be harmful to the environment and human health. This approach is an example of genetic engineering for pest control, which has the potential to increase crop yields while reducing the use of harmful chemicals.
The long term solution to a problem with blood pressure (MAP too high or too low) involves a long term change in:
a.) total peripheral resistance
b.) heart rate
c.) fluid volume
d.) sympathetic activation
The long term solution to a problem with blood pressure (MAP too high or too low) involves a long term change in total peripheral resistance.
Hence option a is correct.
Total peripheral resistance (TPR), also referred to as systemic vascular resistance (SVR), is the amount of pressure that the body's vasculature places on the blood in circulation.
The ratio of the MAP calculated using ModelFlow divided by the CO value is used to calculate total peripheral resistance (TPR). TPRest was calculated as the product of cardiac output in litres per minute (L/min) and mean arterial pressure in millimetres of mercury (mmHg).
The blood and the vessels in the body work according to the same principle. This is referred to as "total peripheral resistance" (TPR) in the context of the heart. Pressure will rise if the space available for blood to pass through is less.
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The faster alcohol is consumed, the faster it reaches the
Brain
Liver
Stomach
Bloodstream
Answer:
Bloodstream
Explanation:
When you drink alcohol, it enters your bloodstream and spreads throughout your body. It can reach your brain in just five minutes. Alcohol can make your blood vessels wider, which can cause you to feel warm and blush. If you drink too much alcohol too quickly, it can be dangerous and affect your breathing, heart rate, and body temperature.
4. Identify Patterns. Scientists studying great white sharks estimate that a population of 15,000 seals supports fewer than 100 sharks during the summer. What conclusion can you draw about the relationship of energy flow and the number of top-level consumers? Explain.
The link between energy flow and the number of top-level consumers in an ecosystem is illustrated by the modest number of great white sharks in proportion to the enormous number of seals in this scenario.
What is the conclusion?Seals are the main eaters in this ecosystem, consuming plankton and tiny fish from lower trophic levels. The highest tier of consumers, great white sharks eat seals.
The amount of energy available to the following trophic level declines as energy moves up the food chain. This is brought on by energy losses from respiration, waste, and improper digestion.
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Complete the sentence. Green revolution agriculture uses genetically modified crops that are blank productive and blank resistant to pests
O Less, less
O Less, more
O More, less
O more, more
The complete sentence is Green revolution agriculture uses genetically modified crops that are more productive and more resistant to pests which is option D.
Complete sentence explained.
A complete sentence is a sentence that contains a subject and a predicate and expresses a complete thought. It typically includes a noun or pronoun as the subject, a verb as the predicate, and often includes objects, complements, and modifiers that provide additional information or description. A complete sentence can stand on its own and does not require additional information to make sense.
The sentence means that Green revolution agriculture, which is a type of modern agriculture, uses genetically modified crops that have been engineered to be more productive, meaning they can produce more food per unit of land or resources, and more resistant to pests, meaning they are less likely to be damaged or destroyed by insects or other pests
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Help me please ok it will help me
Answer:
25,000 Or C
Explanation:
Please don’t give me more than 5 point I like to help
Draw a model showing what would happen if poison blocked our cell ability to make tRNA (Specifically draw a model)
Answer:
Here is a model showing what would happen if poison blocked our cell ability to make tRNA:
[Image of a cell with a large red X over the tRNA]
tRNA is a type of RNA that is involved in protein synthesis. It helps to carry amino acids to the ribosome, where they are assembled into proteins. If poison blocked our cell ability to make tRNA, it would prevent us from making proteins. This would lead to a variety of health problems, including:
* Muscle weakness
* Weight loss
* Fatigue
* Hair loss
* Skin problems
* Infections
* Death
In severe cases, blocking tRNA production can be fatal.
Here is a more detailed explanation of how tRNA works:
When a cell needs to make a protein, it first reads the DNA code for that protein. This code is transcribed into messenger RNA (mRNA). The mRNA is then translated into a protein by the ribosome.
The ribosome reads the mRNA codon by codon. Each codon is a sequence of three nucleotides that codes for an amino acid. The ribosome uses tRNA to bring the correct amino acid to the ribosome for each codon.
The tRNA molecule has an anticodon that matches the codon on the mRNA. The anticodon is a sequence of three nucleotides that is complementary to the codon on the mRNA.
The tRNA molecule binds to the ribosome at the codon that it matches. The amino acid that is attached to the tRNA is then added to the growing protein chain.
This process continues until all of the codons on the mRNA have been translated. The ribosome then releases the protein chain.
If poison blocked our cell ability to make tRNA, it would prevent the ribosome from getting the correct amino acids for each codon. This would result in the production of faulty proteins. These faulty proteins could damage the cell or even kill it.
How do plant leaf cells and animal cells differ in their metabolic capabilities?
Answer:
Explanation:
Plant leaf cells and animal cells differ in their metabolic capabilities due to the presence of different organelles. Both plant and animal cells have mitochondria, which break down sugar to make energy for the cell. However, only plant cells have chloroplasts, which are necessary for photosynthesis. During photosynthesis, plants use sunlight to make sugar from carbon dioxide and water
construct a scientific explanation using claim, evidence, and reasoning to help explain why Burchell’s zebras are making such a long migration during specific months of the year.
Claim: Burchell's zebras are making a long migration during specific months of the year in order to obtain available food and water sources.
What evidence explain why Burchell’s zebras are making such a long migration during specific months of the year?The evidence that explains why Burchell’s zebras are making such a long migration during specific months of the year is that during the dry season, vegetation is scarce, and water sources are limited. Therefore, Burchell's zebras migrate to find suitable food and water sources.
The reasoning behind this is that the migration in order to survive of Burchell's zebras is evidence of their evolution to survive in their specific environment.
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Write a scientific argument to Alex Young that addresses the question: What caused the stickleback population to have less armor and become faster?
The stickleback population's reduced armor and increased speed can is due to natural selection because the sticklebacks with less armor and greater speed were better adapted to their environment resulting in greater survival rates and higher reproductive success.
What is natural selection?Natural selection is the variation in individual survival and reproduction brought on by phenotypic variances.
Environment-adapted organisms have a higher chance of surviving and dispersing the genes that contributed to their success. Over time, this process leads to the evolution and divergence of species.
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What are the consequences of overpopulation? Explain them.
Please answer, Thank you.
Consequences of overpopulation :
Overpopulation has resulted in serious problems like depletion of natural resources, various socio- economic problems, energy crises, and ecodegradation.
A. Socio-economic problems.
Various socio-economic problems created by over population are described below:
1. Food. Overpopulation has resulted in large families. . As a result, the childrens latter suffer from malnutrition and grow into less fit members of the society.
2. Space. To accommodate growing population more cities are coming up. This has created pressure on agricultural land and forests. Clearing up of forests for agriculture and habitation has further caused problems like soil erosion and floods.
3. Employment, education and medical aid. Over population has resulted in large scale unemployment, lowering of education standards, unability of afford higher education to all the children as well as unavailability of modern medical facilities to all.
4. Essential goods and poverty. Over population leads to shortage of essential goods thereby resulting in hike in their prices. Large families with single earning hand often remain poor as with limited income,single earning hand can not maintain standard of living, education of children, medical facilities for members of the family etc.
B. Energy Crisis.
Increase in population has created greater demand for energy-fuelwood, fossil fuel (oil, gas and coal) and electricity. Rapid industrialization and urbanization have added to the problem. Alternative sources of energy are being tapped to lessen the crisis.
C. Ecodegradation.
Overpopulation causes ecodegradation in more than one way-
(i) Pollution: Rise in population has caused pollution of environment-water, air and land. This is seriously affecting the human health.
(ii) Sanitation: It is difficult to maintain sanitation in conjested areas as is evident from urban slums. and
(iii) Deforestation: Because of large scale deforestation:
(a) soil erosion has increased, and
(b) floods droughts have spoiled valuable land.
How does auxin affect growth in (include a diagram)
1. Shoots
2. Roots
Auxin is a class of plant growth hormones which play an essential role in coordination of many growth and behavioral processes in the plant life cycle.
Auxin is a plant hormone responsible for plant cell elongation, cell differentiation, cell division and healing in vascular cells, timing the growth of flowers, and general balanced growth of the entire plant.
Auxins affect plant growth in different ways. In shoots, the accumulation of auxins in the cell signals cell elongation. Whereas, the accumulation of auxins in plant roots signals the cells to not grow.
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List three limited resources and three non renewable resources.
Answer:
Nonrenewable Resources
Oil
Natural Gas
Coat
Nuclear Energy
Metals and Minerals*
Renewable Resources
Sun
Wind
Water
Geothermal and Biomass
Metals and Minerals*
Explanation:
Which of the following landforms results from erosion by glaciers and flowing water
Christians should not use fossil fuels because they pollute the earth.
True
False
Answer: False. The statement is not entirely true or false, and it depends on an individual's interpretation and beliefs. While some Christians may hold the view that the use of fossil fuels is incompatible with their responsibility to care for the earth and its inhabitants, others may not share this view.
Many Christian teachings emphasize the importance of stewardship and caring for the environment, and some Christians may believe that using fossil fuels contributes to environmental degradation, pollution, and climate change, which can harm both humans and other living beings. However, other Christians may argue that the responsible use of natural resources, including fossil fuels, can be a necessary means of sustaining human life and promoting economic development.
Ultimately, the question of whether Christians should use fossil fuels is a complex ethical and theological issue that may depend on various factors, including an individual's interpretation of scripture, their environmental values, and their understanding of the role of technology in human society.
Explanation:
1. Living things can inherit behavior, learn it from other creatures, or change their behavior because of their environment. Which example describes learned behavior in a living thing?
A. A sea turtle that hatches on a beach will crawl toward the ocean.
B. Most humans begin to speak when they are one or two years old.
C. Fireflies can produce light from their abdomens to attract mates.
D. Sunflowers are able to turn to face the Sun to help them grow.
Answer:
B. Most humans begin to speak when they are one or two years old.
Explanation:
This is an example of learned behavior as it is acquired through observation, practice, and experience, rather than being an innate behavior. Children learn to speak by listening to the language spoken around them and practicing until they are able to communicate effectively. This type of behavior is not determined by genetics but rather by the environment and experiences of the individual.
Given the following sequence of baseswhat are the complementary base pairs. ATTCGACCATGC
Answer:
TAAGCTGGTACG
Explanation:
The complementary base pair rules for DNA are:
- adenine and thymine (A, T)
- guanine and cytosine (G, C)
Thus, to find the complementary base pair, change any A's to T's, T's to A's, G's to C's, and C's to G's.
Gel Electrophoresis: please fill in the blanks!
Based on their size, shape, and electrical charge, molecules including DNA, RNA, and proteins may be separated and analysed using the gel electrophoresis technique.
It entails applying a charged electric field to a gel or matrix, causing the molecules to move through the gel and towards the anode, or positive electrode.
Smaller molecules pass through the gel more quickly than bigger ones, therefore they are segregated depending on their size and charge. Additionally, compared to molecules with a lower charge, those with a higher charge will move through the gel more quickly.
Gel electrophoresis is an effective method for examining and contrasting the sizes and charges of molecules. It may be used to recognise and describe many compounds, including DNA and proteins.
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The phospholipids are
molecules while fat molecules are
A. amphoteric, polar
C. nonpolar, amphipathic
E. peripheral, hydrophilic
B. polar, nonpolar
D. amphipathic, hydrophobic
Answer:
Fat molecules are also called triacylglycerols, or, in bloodwork done by your doctor, triglycerides. In the human body, triglycerides are primarily stored in specialized fat cells, called adipocytes, which make up a tissue known as adipose tissue^1
1
start superscript, 1, end superscript. While many fatty acids are found in fat molecules, some are also free in the body, and they are considered a type of lipid in their own right.
Which of the following terms identifies a scientific process that results in the creation of an exact copy of an organism?
Responses
cloning
genetics
selective breeding
genetic engineering
The process of generating an exact similar copy of a cell or an organism is referred to as cloning. So option A is correct.
The process of cloning has a wide application in different fields. Cloning is used in the production of vaccines, proteins, and antibiotics. It is also used to produce transgenic animals, and plants that are resistant to pests. Cloning is useful in gene therapy. It is used in the replacement of cells. It is useful in studying the gene structure and function in an organism.
Cloning in bacteria is done by incorporating the gene to be cloned, in the plasmid DNA. As the bacteria replicates the plasmid DNA, several copies of the gene are produced in the cell. The process of cloning varies from one organism to the other.
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The term mitosis comes from the Greek root mitos, which means "thread." How does this meaning
relate to the process of mitosis?
Please put in your own words.
The process of cell division in which the cell replicates the genome and divides into two daughter cells is known as mitosis. Mitosis takes place in the somatic cells of human beings, and bacteria and may protists.
Mitosis is the process that helps in increasing the number of cells. The two new daughter cells have identical genomes. There are four stages in the mitosis process. Prophase, metaphase, anaphase, and telophase. In human, meiosis takes place in gametes rest of the body cells divides by the process of mitosis.
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Describe how impluses are transmitted across the synapse
Answer:
1) An electrical impulse travels along an axon of the presynaptic neuron.
2) When the impulse reaches the nerve-ending, it releases chemical messengers called neurotransmitters.
3) These chemicals diffuse across the synapse and bind with specific receptor molecules on the membrane of the next neuron.
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Predict what you think you would hear if you were moving with the firetruck as it produces sound waves. Would you hear a change in pitch because of the Doppler effect?
Answer:
yes
Explanation:
the doppler effect is an increase or decrease in the frequency of waves, meaning each little wave is getting closer or farther apart.