Using a Punnett square, work out the distribution of phenotypic features in the first filial (F1) generation after a cross between a homozygous female and a heterozygous male for a single locus.

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Phenotype $50 %$ homozygous : $50 %$ heterozygous $F_{1}$ ratio = 1 : 1

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Using a Punnett square, work out the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus.

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Calculation of Phenotypic and Genotypic Ratios

Standard XII Biology

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Using a Punnett square, work out the distribution of phenotypic features in the first filial (F1) generation after a cross between a homozygous female and a heterozygous male for a single locus.

Phenotype 50% homozygous : 50% heterozygous F1 ratio = 1 : 1

Phenotype $50 %$ homozygous : $50 %$ heterozygous $F_{1}$ ratio = 1 : 1