What is the risk of hemophilia for her children? - ProProfs Discuss
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What is the risk of hemophilia for her children?

What is the risk of hemophilia for her children?

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II-3 in the pedigree below has two brothers with hemophilia A, a bleeding disorder that is inherited as an Xlinked recessive trait.

Asked by BLACKMD, Last updated: Nov 21, 2024

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4 Answers

Todd Gurley

Todd Gurley

Todd Gurley
Todd Gurley

Answered Feb 12, 2021

1 in 4 for a son, close to zero for a daughter, is the right answer. To properly answer this question, one can look to a pedigree diagram. These diagrams are used to show the relationships that are between the organisms and the organisms that came before them.

Pedigrees can be used for all types of living things, including humans, dogs, and plants. Not only are these diagrams important to show the relationship between the current generation and the ancestors, but it also looks for certain disorders and diseases that can be passed down from one generation to the next.

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M. Kennedy

M. Kennedy

M. Kennedy
M. Kennedy, Web Content Writer, Denver

Answered Feb 12, 2021

The answer to this question is that there is a chance that 1 in 4 sons will be able to get the condition. The daughter will have a very low chance of acquiring the condition. In order to prove this, a diagram should be created and you can actually refer to the diagram to see why this is the case.

The pedigree is going to be effective in showing that the different organisms and their ancestors will have relationships. Through using the pedigree, it will be easier to see the relationship of the different organisms that are being observed.

For example, in the question, they would like to know the chances of a son or a daughter acquiring hemophilia. This will allow them to plan what they should do so that the condition will possibly not get passed on.

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C. Marcus

C. Marcus

C. Marcus
C. Marcus, Content Developer, Washington

Answered Aug 08, 2019

The correct answer to this question is 1 in 4 for a son, close to zero for a daughter. Once can use the diagram provided to help answer the question. The diagram is called a pedigree. They are used to show the relationships between organisms and their ancestors or the people that came before them.

Pedigrees are used to discover the relationships between all types of organisms like dogs and humans. These diagrams are important to look for all types of disorders and diseases including colorblindness and Hutington's disease. It can also look for small things like a widows peak.

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BLACKMD

BLACKMD

BLACKMD
BLACKMD

Answered Mar 05, 2019

1 in 4 for a son, close to zero for a daughter
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