After learning in physical anthropology class that a cleft chin is recessive and that dimples, a free-hanging earlobe, and tongue rolling are dominant, your friend tells you over dinner that she is certain she is adopted. What could have caused her to arrive at this conclusion?

Question

Jax Herrera

4 December, 05:19

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Enrique Maxwell · Answer 1

Based on both of her parents have cleft chins and she does not have it.