A man with kinky hair has children by a woman with non-kinky hair. They have five children, three of whom have kinky hair. Based on this information alone, what inheritance pattern is seen with the kinky hair trait?

Question

Alessandro

Biology

10 April, 16:00

A man with kinky hair has children by a woman with non-kinky hair. They have five children, three of whom have kinky hair. Based on this information alone, what inheritance pattern is seen with the kinky hair trait?

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Answers (1)

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Jaylene Christensen · Answer 1

You can determine that kinky hair is a dominant trait. The father must be a heterozygote since not all of his children have kinky hair, giving a 50% chance for kinky hair with each time they reproduce.