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Using a Punnett square workout the distribution of an autosomal phenotypic feature in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus. - Biology

Question

Using a Punnett square workout the distribution of an autosomal phenotypic feature in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus.

Short Answer

Solution

According to the question, a homozygous female with the genotype bb is crossed with a heterozygous male with the genotype Bb. The female will only create one type of gamete, b, whereas the male will produce two types, B and b. The above cross’s Punnett square for the F₁ generation is: