The cleft chin trait follows a dominant-recessive inheritance pattern with cleft chin being the dominant trait. john is heterozygous for a cleft chin as is his wife betty. john and betty have three kids all of which have a cleft chins. according to punnett square prediction what is the likelihood that their next child will have a cleft chin

Question

Biology

Weston Sweeney

20 October, 19:31

The cleft chin trait follows a dominant-recessive inheritance pattern with cleft chin being the dominant trait. john is heterozygous for a cleft chin as is his wife betty. john and betty have three kids all of which have a cleft chins. according to punnett square prediction what is the likelihood that their next child will have a cleft chin

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Raquel Cherry · Answer 1

There is a 75% chance. If C represents the dominant gene for cleft chin and c represents the ressesive, than using the punter square 3/4 of the squares would have a dominant gene.