Punnet Squares

Question 1

Why do we use punnet squares

Answer 1

We use Punnett squares to determine the ratios of offspring from cross between two individuals

Question 2

A heterozygous brown-eyed man marries a woman with blue eyes. What are the chances that their first baby has blue eyes?

Answer 2

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Question 3

E heterozygous man marries a woman with the same genotype. What are the chances of them having a baby boy with blue eyes

Answer 3

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Question 4

A man with blood group A marries a woman with blood group B. They have a baby with blood group O. The man knows nothing about genetics and is suspicious about whether the baby is his.

Answer 4

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Question 5

A man with blue eyes marries a woman with brown eyes, whose dad had blue eyes. What are the genotype and phenotype ratios of the potential offspring?

Answer 5

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