Phenylketonuria, a metabolic disease in humans, is caused by a recessive allele, k. if two heterozygous carriers of the allele (k/+) marry and plan a family of five children, is what is that probability that all of their children will be normal

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Biology

Maribel

4 August, 23:53

Phenylketonuria, a metabolic disease in humans, is caused by a recessive allele, k. if two heterozygous carriers of the allele (k/+) marry and plan a family of five children, is what is that probability that all of their children will be normal

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Karson Hancock · Answer 1

Answer If two hereizygous carrier of phenylketonuria marry and plant to give birth to five children, then 25% of child will be normal, 25% affected and 50% carrier. it can also be shown from given below presentation: Heterozygous carrier x Heterozygous carrier K/k+. X. K/k + Gametes. K, k+, k, k + F1 offspring KK, kk+, kk+, k+k+.