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April 20, 2014

Homework Help: Science

Posted by Rox on Sunday, April 7, 2013 at 2:05pm.

Phenylketonuria (PKU) is a human metabolic disease caused by the recessive allele k. If 2 heterozygous carriers of the allele marry and plan a family of five children:

a) what is the chance that all their children will be unaffected?

b) what is the chance that four children will be unaffected and one affected with phenylketonuria?

c) what is the chance that the first child will be an unaffected girl?

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