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A couple have 4 children, their first child has blood type A. the second child has blood type O. The third child has blood type AB, and the fourth has blood type B. What are the genotypes of the parents?

Answers

Answer 1

Answer:

a and ab blood types

Explanation:


Related Questions

mention 2 references for Baltimore classification of viruses ​

Answers

Answer:

Baltimore classification is a system used to classify viruses based on their manner of messenger RNA (mRNA) synthesis. By organizing viruses based on their manner of mRNA production, it is possible to study viruses that behave similarly as a distinct group.

Answer:  

Baltimore classification is a system used to classify viruses based on their manner of messenger RNA (mRNA) synthesis. By organizing viruses based on their manner of mRNA production, it is possible to study viruses that behave similarly as a distinct group. Seven Baltimore groups are described that take into consideration whether the viral genome is made of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA), whether the genome is single- or double-stranded, and whether the sense of a single-stranded RNA genome is positive or negative.

Explanation:

Writing your own quiz from the information you learned in class and during your reading will help improve your study skills.
A.
True
B.
False

Answers

Answer:

A. true

Explanation:

Writing your own quiz on the information you studied will force you to go over the information and find all the important details

How can antiviral medications help someone who has the flu?
- helps the person sleep better so that they heal
- prevents the person from ever getting the flu
- makes the person feel better faster and makes the symptoms milder
- cures the person immediately (I know its not this one)

Answers

Answer:

Prevents the person from ever getting the flu. (better said as 'prevents attracting flu in the future")

Explanation:

Antiviral drugs are recommended for both treatment and prevention of flu. They can protect you from getting viral infections or spreading a virus to others.

What is the % of water inside the cell
Will osmosis occur
If so , which will water move (into or out of the cell )?
Will the cell swell or shrink ?
The cell is In what type of solution ? (Hypertonic , hypotonic ,isotonic ) help pls

Answers

The percentage of water inside the cell is 2.5 %. Water will move into the cell and it will swell. So it's a hypotonic solution.

What is osmosis?

Osmosis is the spontaneous diffusion or flow of water or other liquids over a semipermeable membrane, or one that prevents the passage of solutes, or dissolved compounds. The crucial biological mechanism was initially in-depth investigated in 1877 by German plant physiologist Wilhelm Pfeffer. Inaccurate investigations of leaky membranes, such as animal bladders, and the movement of water and other chemicals through them were previously conducted by other researchers.

A solution will tend to become more diluted by absorbing solvent through a membrane separating it from the pure solvent if the membrane is permeable to the solvent but not to the solute. The osmotic pressure, also known as the pressure exerted on the solution, can be raised to a certain level to halt this process. Jacobus Henricus van 't, Hoff, a Dutch-born chemist, demonstrated in 1886 that Henry's rule is obeyed if the solute is sufficiently diluted that its absolute vapor pressure is above the solution.

Therefore, the percentage of water inside the cell is 2.5 %. Water will move into the cell and it will swell. So it's a hypotonic solution.

Read more about osmosis, here

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Give an example of a buffer in the body.

Answers

Answer:  Several substances serve as buffers in the body, including cell and plasma proteins, hemoglobin, phosphates, bicarbonate ions, and carbonic acid.

Explanation:

What happens in your body if you are exposed to a virus for which you have
been vaccinated?
A. The altered virus recognizes the natural version of the virus and
destroys it.

B. Because the vaccination remains in your body, the altered virus outcompetes the natural version and you do not get sick.

C. The nonspecific immune response recognizes the invading virus and prevents it from entering the body.

D. Memory cells that develop in response to the vaccine recognize
the invading virus and respond quickly to destroy it.

Answers

Answer:

Explanation:   A

The small-brained Plio-Pleistocene hominins are generally referred to as the _____. The major members of this group are divided into two major groupings, the _____ and the robust forms. Many scientists prefer to separate the robust forms even further into their own genus and/or subgenus, _____.

Answers

Scientists make archaeological findings to discover how human life began as well as the forms of life that existed in the past. The blanks in the sentences above have been filled accordingly;

The small-brained Plio-Pleistocene hominins are generally referred to as the Africanus. The major members of this group are divided into two major groupings, the gracile and the robust forms. Many scientists prefer to separate the robust forms even further into their own genus and/or subgenus, Paranthropus.

The Hominin are primates under which the Paranthropus and Australopithecus. These genii are early relatives of man.

These small-brained Plio-Pleistocene hominins are generally grouped into the gracile and robust forms.

The Paranthropus are the robust genus while the Australopithecus are the gracile genus.

Learn more here:

https://brainly.com/question/7550546

Which type of transport is shown
this diagram?

Endocytosis
Ion pump
Exocytosis
Facilitated Diffusion

I need the Answer ASAP

Answers

Answer:

Ion pump

Explanation:

1. Facilitated diffusion is a passive transport and doesn't require energy, so it cannot be the answer

2. Endocytosis and exocytosis both involve vesicles (not proteins), but these aren't seen in the image

Considering the above, it must be ion pump.

Which organ system is used for smelling

Answers

olfactory system, the bodily structures that serve the sense of smell. The system consists of the nose and the nasal cavities, which in their upper parts support the olfactory mucous membrane for the perception of smell and in their lower parts act as respiratory passages.
olfactory system, the bodily structures that serve the sense of smell.

HOPE THIS HELPS!!! ;)

1. In human beings, a downward-pointed frontal hairline ("widow's peak") is a heritable trait. A
person with a widow's peak always has at least one parent who also has this trait, whereas
people with a straight frontal hairline may occur in families in which one or even both parents
have widow's peaks. When both parents have a straight frontal hairline, all children also have
a straight hairline. Using A and a to symbolize alleles for this trait, what is the genotype of an
individual without a widow's peak? (Show your work)

Answers

The genotype of an individual without a widow's peak would be aa.

A person with widow's peak has. at least a parent with the trait. When both parents have a straight frontal hairline, all the children also have a straight frontal hairline.

The above features are indications that widow's peak is a dominant trait.

Since A and a are used to represent the alleles, AA or Aa will be the genotype of individuals with widow's peak while only aa will be the genotype of individuals with straight frontal hairlines.

In other words, individuals without a widow's peak will have aa as genotypes.

More on dominant traits can be found here:  https://brainly.com/question/911860?referrer=searchResults

2. What are the three examples Arroyo gives for how we can prepare for the
massive impact climate change will have on all of us?

Answers

Answer:

She suggests doing three main things to prepare: adapting to violent storms and floods, preparing for heat and drought, and adapting to the rising seas by rebuilding and restructuring.

The three examples of Arroyo that gives an idea of the massive impact of climate change are adapting to violent storms and floods, preparing for heat and drought, and adapting to the rising seas by rebuilding and restructuring.

What is theory of Arroyo?

According to this theory of Arroyo, the first step is to grow food crop varieties that are resistant to drought in order to feed the people that live in these arid areas.

Adopting conservation and protection measures for water sources comes ranked second. Others comprise;

Altruistic water use in residences, farms, and businesses

Utilizing alternative energy sources to cut down on greenhouse gas emissions

Therefore, Arroyo's three adaptation strategies—to ferocious storms and floods, scorching heat, and drought—as well as its rebuilding and reorganizing efforts in response to rising sea levels—all serve as illustrations of the significant effects of climate change.

To learn more about theory of Arroyo, refer to the link:

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A man whose blood group is heterozygous B is married to a woman whose blood up is also heterozygous B

Which of the following statements is correct about the blood group of their four offspring?

Answers

Answer:

for got too bro

Explanation:

Why do you think people start smoking?

Explain and provide a sample situation to support the given words below. (i will mark as the brainliest if who could answer this asap)

1. Parental Role Model

2. Adolescents Experimentation and Rebellion

3. Depression

4. Limited Education

5. Weight Control

6. Aggressive Marketing

7.Stress

8. Addiction

one more 20 points what is sun light ?

Answers

Answer: sun light are light that comes from sun only

Explanation:

Sunlight is the suns rays

Which structure is most directly responsible for maintain homeostasis in all the cells?

Answers

Answer:

Cell membrane or plasma membrane is most directly responsible for maintain homeostatis in all cells.

What are some possible applications of therapeutic cloning?

Answers

Answer:

Hey mate....

Explanation:

This is ur answer....

Other applications of therapeutic cloning include the diagnosis of epigenetically triggered cancer and the tailoring of a treatment using SCNT, the creation of animal models of human diseases, and could eventually lead to tissue engineering of organs de novo.

Hope it helps!

Brainliest pls!

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a) Name three adaptations this plant has that allow it to live on land, and describe
how each adaptation helps the plant survive. (6 points)
I

Answers

Answer:

Explanation:

Sunflowers thrive in slightly acidic to somewhat alkaline soil (pH 6.0 to 7.5). Sunflowers are heavy feeders, so the soil needs to be nutrient-rich with organic matter or composted (aged) manure. Or, work in a slow release granular fertilizer 8 inches deep into your soil.The stem of the sunflower has bristles, these are to prevent water loss as well as deter animal predation. The leaves are oppositely positioned leaves

It has adapted to this necessity by having a heliotropic head which rotates to follow the sun, hence the name sunflower. ... The stem of the sunflower has bristles, these are to prevent water loss as well as deter animal predation. The leaves are oppositely positioned leaves and broad to absorb sunlight for photosynthesis.and broad to absorb sunlight for photosynthesis.

Which method of timber harvesting removes all trees from the harvest area?

Answers

Answer: Clearcut
A Technique that removes all the trees regardless of size of an area in one operation

Cell researchers are investigating the role of cyclins on mitosis and cell division. They notice that cyclins build up, cause the cell to progress through the cell cycle, then break down, thus ending the different stages of the cell cycle. A failure of the cell to break down which cyclin would most directly lead to increased cell division?

A) Cyclin A
B) Cyclin B
C) Cyclin D
D) Cyclin E

Answers

Cell researchers are investigating the role of cyclins on mitosis and cell division. They notice that cyclins build up, cause the cell to progress through the cell cycle, then break down, thus ending the different stages of the cell cycle. A failure of the cell to break down which cyclin would most directly lead to increased cell division?


A) Cyclin A

B) Cyclin B

C) Cyclin D

D) Cyclin E




The answer is: M-phase cyclins form M-CDK complexes and drive the cell's entry into mitosis; G1 cyclins form G1-CDK complexes and guide the cell's progress through the G1 phase; and so on. ... Specific enzymes break down cyclins at defined times in the cell cycle. When cyclin levels decrease, the corresponding CDKs become inactive.

The inability of the cell to break down cyclin D would most directly lead to increased cell division.

What is cell division?

Cell division is the process by which cells in the body divide their content and duplication of the chromosomes to produce new daughter cells.

In the cell cycle, proteins known as cyclins are required.

Cyclin D is required at the initiation and termination stage of cell division.

Therefore, based on the cell cycle diagram, inability of the cell to break down cyclin D would most directly lead to increased cell division.

Learn more about cyclins at: https://brainly.com/question/8178247

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A window display attracts passersby
True
False

Answers

Answer:

it is dosnt attracts passerby False

What’s the term to describe a mutant viral protein without a genetic code that can cause disease?

Answers

Answer:

'Prion' is a term first used to describe the mysterious infectious agent responsible for several neurodegenerative diseases found in mammals, including Creutzfeldt-Jakob disease (CJD) in humans.

Explanation:

The term to describe a mutant viral protein without a genetic code that can cause disease is a "prion." Prions are abnormal forms of proteins that can induce misfolding of normal proteins, so option a is correct option.

The misfolded prion protein can convert normal proteins of the same type into the abnormal misfolded form of protein, leading to a chain reaction and accumulation of misfolded proteins. This can cause damage to brain tissue and result in the characteristic symptoms associated with prion diseases, which include changes in behavior, neurological dysfunction, and ultimately, severe neurological degeneration. so option a is correct option.

Learn more about the prion here.

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complete question is below

What’s the term to describe a mutant viral protein without a genetic code that can cause disease?

A. prion

B. virion

what is the antilog calculation for a measurement of 3.85cm

Answers

Answer:

bbbbbbbbb

Explanation:

hggggggg

Writing your own quiz from the information you learned in class and during your reading will help improve your study skills.
A.
True
B.
False

Answers

A. True
Ur quizzing yourself on what you learned. That is a great way of remembering what you learned.

brian period occurred approximately 500 million years ago, and we are currently in the Quaternary period.
PERIOD
ANIMALS
PLANTS
Humans
Flowering
plants
Mammals
Birds
Ginkos
Quatemary
Tertiary
Cretaceous
Jurassic
Triassic
Permian
Pennsylvanian
Mississippian
Devonian
Silurian
Ordovician
Cambrian
Reptiles
Pines
Amphibians
Club mosses
Horsetail rushes
Fems
Animals with shells
Fishes
Based on the chart, describe the trends that can be observed in animal and plant fossils as they evolved over time.
Use evidence from the chart to support your conclusions.
B IV x x Font Sizes
А 三星 三 三
А

Answers

Quaternary is the correct answer

Pregunta urgente ¿Que son horiciones? No se si es de biología o de ciencias

Answers

Answer:

Explanation:

Heres where to get your answer

https://www.info.com/serp?q=website%20medical&segment=info.0546&s1aid=3788024678&s1cid=11804561937&s1agid=114484240723&s1kid=kwd-944088888&utm_source=adwords&gclid=CjwKCAiAm7OMBhAQEiwArvGi3IMQUyr3aRG07nCggQt-8rAAgyPT3rJedCcJxTAl1ve9LJwgIxq21RoC4yQQAvD_BwE

Most species of animals do not
drink milk once they have
reached adulthood. Which of
these is an animal that DOES
continue to drink milk into
adulthood?
A. humans
B. snakes
C. spiders

Answers

your answer will be C. spiders

Answer:

if we don't know anything about animals we can say that snakes and spiders complete itself development in an egg.the possible answer is A

in which order do plants development​

Answers

Answer:

According to plant physiologist A. Carl Leopold, the properties of organization seen in a plant are emergent properties which are more than the sum of the individual parts. "The assembly of these tissues and functions into an integrated multicellular organism yields not only the characteristics of the separate parts and processes but also quite a new set of characteristics which would not have been predictable[by whom?] on the basis of examination of the separate parts."[7]

Growth

Leaf development

Flower development

References

Suggest an explanation for the evolution of the pigeon-like ancestor into the flightless dodo.

Answers

Answer:

It's ancestors were pigeon-like birds which flew to the island millions of years ago. There were no predators on the island. Gradually, the birds became much heavier, lost their ability to fly and evolved into the dodo.

Explanation:

When mRNAs are being translated simultaneously by multiple ribosomes, the structure is known as a(n) g

Answers

Answer:

The structure is known as polysome

Which of the following correctly describes one way that photosynthetic plants are involved in the carbon cycle?
Choose 1 answer:
Choose 1 answer:

(Choice A)
A
Photosynthetic plants can move carbon from the atmosphere into an ecosystem’s food web.

(Choice B)
B
Photosynthetic plants move carbon-based molecules between consumers in an ecosystem.

(Choice C)
C
Photosynthetic plants break down the remains of organisms and release carbon dioxide into the atmosphere.

Answers

With my opinion I think it is option B

Describe DNA replication. Include all relevant aspects. When does this process occur? and why

Answers

Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. ... To accomplish this, each strand of existing DNA acts as a template for replication.
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