The trait for hemophilia is sex-linked (on the X chromosome) and recessive. If a female who
is a carrier of hemophilia (XHXh) mates with a man with normal blood (XHY):What are the
chances of their daughters having hemophilia? What are the chances of their sons having
hemophilia?

Answers

Answer 1
If the mother is a carrier and the father is normal, the outcomes for potential children would be:

XH Xh
XH XHXH XHXh
Y XHY XhY

So let’s break these down
XHXH = will be a daughter (XX) with normal blood (HH)
XHXh = will be a daughter (XX) who is a carrier for hemophilia (Hh)
XHY = will be a son (XY) with normal blood (H)
XhY = will be a son (XY) with hemophilia (h)

Because this disease is inherited on the X chromosome, male offspring tend to either have it or not. They can’t be carriers because they only have one X chromosome. So the chances of having a son with hemophilia will be 50% cause the boys have a 50% chance of inheriting hemophilia.

On the other hand, daughters will either have normal blood or be carriers in this situation. So to answer the question, the chance a daughter of this couple would have of inheriting hemophilia is 0%. This only changes if their father has hemophilia. Then they will either be a carrier or will have hemophilia.

Related Questions

What is the importance of forest to the stability of ecosystems and why does deforestation still take place despite the negative impacts?

Answers

Answer:

Deforestation not only removes vegetation that is important for removing carbon dioxide from the air, but the act of clearing the forests also produces greenhouse gas emissions. The Food and Agriculture Organization of the United Nations says that deforestation is the second-leading cause of climate change.

Answer:

Forests help provide many essential resouces such as wood, leafs, bark, food, oxygen, and maybe water if their are lakes. For the second question, mostly human activity, and carbon dioxide happen to negatively affect the forests, people are the stimulis to deforestation.

Explanation:

Hope this helps!

PLEASE HELP DUE IN 5 MIN!!!

The materials of the crust have less mass than materials deeper in the earth.

True
False

Answers

Well Yes it is true yu welcome .!
true ur welcomes!!!!!!

Describe the difference in pressure against your cheeks when they are full of air versus When You released it

Answers

Answer: When they were full of air, then the Pressure was the Highest 'cause of the larger force under the specified area as compared to when we released it. We decreased the area of our cheek, so pressure increased and air flows from the cheek (area of high pressure) to the atmosphere

Explanation:

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Answers

Answer:

B. Evidence from rock layers, fossils, and ice cores.

Explanation:

Right i believe

Answer:

Its the 4th one. I think. Its the 2nd or third but can't tell for sure. When I searched it, the result came as followed: "Plate tectonics shift the continents, raise mountains and move the ocean floor." So yeah. Hope this somewhat helps.

Explanation:

To prepare for a crisis, you should consider
doing background checks on all your employees
O bringing in someone from your state restaurant association or an expert in the field to do training with your employees
0 making friends with the members of the media
consulting with an attorney

Answers

bringing in someone from your state restaurant association or an expert in the field to do training with you employees

To prepare for a crisis, it is essential to take proactive measures and consider various strategies.

Create a comprehensive plan that outlines the steps to be taken in the event of a crisis. This plan should include roles and responsibilities, communication protocols, and strategies for mitigating and resolving the crisis.

Identify potential risks and vulnerabilities specific to your business. This can involve assessing internal processes, external factors, and industry-specific challenges. Understanding potential crises can help you prepare and minimize their impact.

Provide regular training sessions to your employees on crisis management and response. Educate them about potential crises they may face, proper protocols to follow, and how to handle challenging situations. Consider bringing in experts or professionals in the field to provide specialized training.

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7. Challenge yourself: You have already learned that mutation is one source of
variation in a population. Based on what you have just seen, what is a second
source of variation?
(I just need more information or explanation) please

Answers

Answer:

Natural selection would be the other source because organisms that have a beneficial trait will live, but organisms that do not have a beneficial trait might die. So the organsims that do survive will reproduce and pass on those traits to their offspring. Eventually all the organisms that do not have a beneficial trait will die out, leaving most of the population having that beneficial trait.

define specialization in animals cells

Answers

animal cell specialization would be specific types of cells that have particular shapes or features that carry out specific tasks in the animal. (blood cells are shaped like donuts or saucers and make up the blood in animals)

7.
The material that is easiest to recycle is___

glass

plastic

aluminum

paper

Answers

Answer: C.) Aluminum

Explanation: Aluminum cans are one of the most recyclable materials, as they are 100% recyclable and can be reprocessed over and over again. You can recycled aluminum cans into new cans which uses 95% less energy than making new ones.

Hope this helps. :)

I think it C also hop it was correct

What are two types of evidence that have helped biologists determine the ancestors of modern humans

Answers

Answer:

The evolution of modern humans consisted of fossils, direct observation, anatomy, and molecular biology.

If blending inheritance explained
how flowers inherit traits, would
you expect to see more flower
colors? Explain your answer.

Answers

If blending inheritance described how flowers inherited traits, each time 2 flowers with different traits had offspring, those 2 traits would be blended into 1 trait. Over time, there would be fewer & fewer traits.

Three examples of traits that can be BOTH genetic and non-genetic. For example, having a sense of humor- you can inherit it, or you can learn it, so it's both. I need three other examples. Cannot include height or how fast someone can run.

Answers

Explanation:

ሠሁነሁጋነነሃዐሠዐቻነዘሀቻዐሀነጕñነነጌዕሃነጋዕሀዕ

Answer:

Sense of fashion\style, maybe music or artistic taste and preferences in food

Explanation: These are just my ideas but if you don't want to use them then that's fine.

Which of the following best explains how viruses replicate?

Answers

Answer:During attachment and penetration, the virus attaches itself to a host cell and injects its genetic material into it. During uncoating, replication, and assembly, the viral DNA or RNA incorporates itself into the host cell's genetic material and induces it to replicate the viral genome.

Explanation:

Virus replication is the formation of biological viruses during the infection process in the target host cells. Viruses must first get into the cell before their replication can occur.

What do you mean by Viruses?

Viruses may be defined as infectious microbes consisting of an element of nucleic acid surrounded by a protein coat.

There are six steps that govern the replication of a virus. They are given below:

Adsorption or attachment: This step attaches the virus particle to the plasma membrane of the host cell. Penetration: It is done by receptor-mediated endocytosis and the virus now enters into the cytoplasm of the cell.Uncoating: This step breaks the whole structure of the virus particle and allows its genetic material to reach inside the nucleus of the host cell.Viral Genome replication: This is done in the nucleus of the host cell.Maturation: It involves the growth of replicated virus particles.Release: It allows the replicated virus particle to move outside the host cell by bursting it.

Therefore, it is well described above.

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A different couple has a child with O type blood who has a blood disorder and
needs regular transfusions. The mother is type B, and the father is type A. A
genetic counselor created a punnett square to show them the chance of having
another child with type O blood. The results are shown below:
What is the chance of the couple producing another child with type O blood? __%

Answers

Answer:

25%

Explanation:

A simple way to think of the punnett square is to think of it as divided into fourths. Only one of these fourths has o type blood. Therefore, there is only a 1/4 or 25% chance of them having another child with o type blood. Hope this helps :)

Which of the following statements about the number of chromosomes in egg cells and zygotes is true?


Egg cells and zygotes have 46.

Egg cells and zygotes have 23.

Egg cells have 23, and zygotes have 46.

Egg cells have 46, and zygotes have 23.







Answer and I will give you brainiliest

Answers

Answer:

Egg cells have 23, and zygotes have 46.

I hope this helps

Argentine ants are invasive ants found in California. They’re aggressive in nature and have a tendency to protect crop pests. In urban areas, Argentine ants don’t have many predators. Argentine ants and the native ant species were observed competing for nutrients in a particular ecosystem. What is a likely outcome of this competition? A. an increased number of Argentine ants B. an increased number of native ants C. no dependence between the populations of the two ant species D. an equal number of Argentine and native ants

Answers

C no dependence between the populations de pendency

Answer:

The answer is C.

Explanation:

No dependence between the populations of the two ant species.

Why does DNA look like a folded thread? HELP ME PLEASE!!!!

Answers

Answer:

During DNA packaging, long pieces of double-stranded DNA are tightly looped, coiled, and folded so that they fit easily within the cell. Eukaryotes accomplish this feat by wrapping their DNA around special proteins called histones, thereby compacting it enough to fit inside the nucleus

what is natural selection?

Answers

Answer:

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.

Why solid melt when heated

Answers

Answer:

When a solid is heated the particles gain energy and start to vibrate faster and faster. Further heating provides more energy until the particles start to break free of the structure. Although the particles are still loosely connected they are able to move around. At this point the solid is melting to form a liquid.

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they start to met because the heat gives the solid a lot of power causing it to tremble rapidly.

45 POINTS + BRAINLIEST IF CORRECT!!!
A fever is a response to which stimulus?

A) fear?
B) hunger?
C) illness?
D) tiredness?
HURRY PLZ

Answers

Answer:

there ya go

Explanation:

Directions Rearrange the words to make a meaningful sentence. Write your
answer on a separate sheet of paper.
stationary objects.
Static friction
occurs in
a self-regulating force.
frictional force is
The static
2.​

Answers

Answer: im just doing challenges

Explanation:

Source: "trust me"

Static frictional force is the minimum force that must be overcome for one object to slide over another.

What is frictional force?

Frictional force is the force the acts between the surfaces of two objects in contact which oppose the motion of one object over the other.

The minimum force that must be overcome for one object to slide over another is known as static frictional force.

If the applied force is greater than static frictional force, the object will start moving over the other.

Therefore, static frictional force is the minimum force that must be overcome for one object to slide over another.

Learn more about static friction at: https://brainly.com/question/13680415

using the data you collected , hypothesize what a cladogram would look like for the organisma in Data table 1, assuming the trout is on the first and lowest branch.

Answers

Answer:

assuming the trout is on the first and lowest branch

Most of the functions of a cell membrane are performed by
a. proteins.
b. cholesterols.
c. phospholipids.
d.carbohydrates.

Answers

Answer:

Pretty sure the answer is, A.) Proteins

Explanation:

Which describes the moth population after the industrial Revolution?

Answers

I am not 100% sure but I believe that because of increased manufacturing, the air got very polluted and this made many trees darker, like birch. So moths are usually lighter in color so many couldn’t really hide among trees and they were eaten. After some time, many moths mutated and also became darker to blend in when they were on trees to prevent being eaten by predators. In conclusion, the population decreased.
Was this the answer you were looking for?

Agricultural crops can be genetically engineered to become resistant to frost or to certain diseases
by inserting genes into their DNA from other____ organisms.

A. Resistant
B. More aggressive
C. Weaker
D. Healthier

Answers

Answer :
Option A is your answer

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Answers

Answer:

Its the 3 one

Answer:

I'm pretty sure the answer is that they are in the same biological classification

Explanation:

this is the answer because they evolved from a common ancestor.

is chromatin stored within chromosomes​

Answers

Answer:

Explanation:

Chromatin is the material that makes up a chromosome that consists of DNA and protein. The major proteins in chromatin are proteins called histones. They act as packaging elements for the DNA.

Areas of Earth that absorb more carbon dioxide than they release

Answers

Answer:

When carbon dioxide CO2 is realised into the atmosphere from the burning of fossil fuel, approximately 50% remains in the atmosphere, while 25% is absorbed by land plants and trees, and 25% other is absorbed into the areas of the ocean.

How will planting genetically modified crops affect chemical use on farms?

Increase chemical use

Decrease chemical use

No change to chemical use

No answer text provided.

Answers

The correct answer is

B. Decrease chemical use

What happens when cells do not
respond to the signals that
normally regulate their growth?

Answers

Answer:

Such cells, called cancer cells, divide uncontrollably and form masses of cells called tumors that can damage the surrounding tissues. ... Normal cells respond by not growing.

Answer:

Cancer cells do not respond to the signals that regulate the growth of most cells... What happens when cells do not respond to the signals that normally regulate their growth? Such cells, called cancer cells, divide uncontrollably and form masses of cells called tumors that can damage the surrounding tissues.

Hope this helps!!!

Have a great day!!! :)

All animals need food, water, shelter, and space to live. which of these is difficult to find in a grassland habitat?

Answers

I’d guess shelter considering it’s mostly flatland

According to the scenario, it is difficult to find shelter in a grassland habitat. This is because grassland habitat generally consists of small grasses with a lack of space between them.

What is Habitat?

Habitat may be defined as a type of natural environment for which a particular species is best adapted due to natural selection. It may also be characterized as the area where the basic demands of an organism are fulfilled like food, water, space, mating partner, etc.

Grasslands habitats are generally open and continuous, fairly flat areas of grass. They are often located between temperate forests at high latitudes and deserts at subtropical latitudes. In these habitats, the availability of shelter is very low because of an abundance of small grasses across the area which is insufficient to build a shelter.

Therefore, it is difficult to find shelter in a grassland habitat. This is because grassland habitat generally consists of small grasses with a lack of space between them.

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