Black hair (B) is dominant over blonde hair (b) ;similarly brown eyes (H) are dominant over eyes(h).
Suppose that a man who heterozygous for black hair and brown eyes marries a blond woman with blue eyes.
Answer the following question based on the given situation.
(a) What is the phenotypic ratio of $F_{1}$ generation ?
(b) What percentage of offspring will have blonde hair and blue eyes?
(c) What will be the percentage of hormozygous dominant offsprings?

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Solution

The phenotypic ratio of F1 generation is 9:3:3:1
The percentage of offspring have blonde hair and blue eyes is 6%
The percentage of homozygous dominant offsprings is 6%

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The phenotypic ratio of F1 generation is 9:3:3:1The percentage of offspring have blonde hair and blue eyes is 6%The percentage of homozygous dominant offsprings is 6%

The phenotypic ratio of F1 generation is 9:3:3:1
The percentage of offspring have blonde hair and blue eyes is 6%
The percentage of homozygous dominant offsprings is 6%