Biology hereditary question

Anonymous
timer Asked: Mar 28th, 2019
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Tutor Answer

inhershoes
School: Duke University

Here you go Buddy! 😃 What questions do you have for me?

o What is the probability that both girls have the disease?
The answer is ZERO probability or 0%. The Mother XY is a carrier for the disease
(which means she has a normal X sex chromosome that is DOMINANT, and does
not have the genetic expression for hemophilia on it). The Father XY does NOT
have the disease (which means his X sex chromosome does NOT have the
genetic coding for hemophilia on it). This also means the Father is NOT a carrier
for the disease.
o What is the probability that at least one of the sons does NOT have the disease?
The answer is Twenty-five percent or 25%. The Mother is a carrier for
hemophilia XX (which means she has ONE X chromosome that DOES NOT HAVE
the genetic coding for hemophilia, and one X chromosome that does). The
Father XY has ONE X chromosome that does NOT have the genetic coding for
hemophilia on it. Using the Punnett squa...

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Anonymous
Good stuff. Would use again.

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