aldenr3322 aldenr3322

03-11-2022
Biology

Answered

In humans, the allele for a widow's peak is dominant to the allele for a straight hairline. In a family with three children, two of the children have a straight hairline and one child has a widow's peak. Which of the following is possible? (please i will give brainliest)

Both parents are heterozygous.
Both parents are homozygous for a widow's peak.
Both parents are homozygous for a straight hairline.
One parent is homozygous for a straight hairline, and the other is heterozygous.

Answer :

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