50 cm of soil was
1 answer:
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<u>Answer:</u>
a. Using correct symbols and labels, draw a pedigree of Joe's family. Take a picture and send it by email.
The pedigree image is attached at the end.
(b) What is the most likely mode of inheritance for color-blindness in Joe’s family?
X-linked recessive. Only males have the trait, and they inherit the trait from
their mothers, who are carriers. The trait is never passed from father to son.
(c) If Joe marries a woman who has no family history of color-blindness, what is the probability that their first child will be a color-blind boy?
Barring a new mutation or nondisjunction, zero. Joe cannot pass his color-blind X chromosome to his son.
(d) If Joe marries a woman who is a carrier of the color-blind allele, what is the probability that their first child will be a color-blind boy?
The probability is ¼. There is ½ probability that their first child will be a boy,
and there is an independent ½ probability that the first child will inherit the
color-blind X chromosome from the carrier mother. ½(½) = ¼.
Answer:
It was discovered by Jennifer Clack
