Shaded individuals in this pedigree have an X-linked genetic disorder that cause

Question

Shaded individuals in this pedigree have an X-linked genetic disorder that causes green toenails. Individuals who are not shaded have the normal clear toenails. Please answer the following questions regarding this pedigree. Assume that a capital "G" represents the dominant allele and that a lower case "g" represents the recessive allele.

6. Supposed individuals III-1 and III-5 marry and have children. What is the probability that their first child will be a daughter with green toenails?

a) 0

b) 1/8

c) 1/4

d) 3/8

e) 1/2

f) 5/8

g) 3/4

h) 7/8

i) 1

Explanation / Answer

Answer:-part 6:-

The probablity thatvtheir first child would be girl with green toe nails is 1/2.

   X* X* x X*Y

X*X*, X*Y, X*X*, X*Y (Progeny)

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