In humans, brown eyes (B) are dominant over blue (b) *. A brown-eyed man marries a blue-eyed woman and they have three children, two of whom are brown-eyed and one of whom is blue-eyed. Draw the Punnett square that illustrates this marriage. What is the man's genotype? What are the genotypes of the children?

Question

Nico Klein

Biology

25 May, 17:58

In humans, brown eyes (B) are dominant over blue (b) *. A brown-eyed man marries a blue-eyed woman and they have three children, two of whom are brown-eyed and one of whom is blue-eyed. Draw the Punnett square that illustrates this marriage. What is the man's genotype? What are the genotypes of the children?

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Damari Walters · Answer 1

the genotype of the man = heterozygous dominant

genotype of the children = half of the children are heterozygous dominant (brown eyed) the other half are recessive (blue eyed)

genotypic ratio = 2:2