Hemophilia is a sex linked recessive condition. A woman who is a carrier for hemophilia marries...

Hemophilia is a sex linked recessive condition. A woman who is a carrier for hemophilia marries a man who is not a carrier.

a) What is the chance of their daughters having hemophilia?

b) What is the chance of their daughters being carriers for the hemophilia allele?

Solutions

Expert Solution

Hemophilia is a sex-linked recessive condition. If only one gene of the pair is abnormal, the disease will not occur instead it will be carried to the next generation.

Let, - normal, - hemophilia

given, the female is a carrier () and the male is not a carrier which means he is normal ()

Cross: x

OFFSPRINGS: 1 normal daughter, 1 carrier daughter, 1 normal son, 1 affected son

total number of possibilities = 4

a) chance of having a hemophilic daughter = 0/4 = 0 = 0%

b) chances of having daughter who is a carrier = 1/4 = 25%

gladiator answered 1 year ago

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