Determine the genotypes and phenotypes of the offspring from the marriage of brown-eyed parents.
| May 2, 2021 | education
Determine the genotypes and phenotypes of the offspring from the marriage of brown-eyed parents. The woman’s father had blue eyes, and in the man’s family all maternal and paternal relatives were brown-eyed. Brown eyes are known to be the dominant trait.
A – brown eye color, a – blue eye color. The father of the brown-eyed woman was blue-eyed, which means the mother of the brown-eyed woman.
Parents: AA × aa
Gametes: A a
Offspring: Aa brown eye color.
In the man’s family, everyone was brown-eyed, which means he is homozygous for this trait.
Parents: (female) Aa × AA (male)
Gametes: A a A
Offspring: AA, AA all children of this marriage will have brown eyes.
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