Two humans mate who are heterozygous for earlobe shape where attached earlobes (A)are dominant to free earlobes (a),and earwax quality where dry earwax (e)is recessive to wet earwax (E ).What is the probability that their first child will have dry earwax and attached earlobes?
A) 1/2
B) 3/16
C) 9/16
D) 1/16

Question

Quizplus · Accepted Answer

The probability of the child having dry earwax (ee) is 1/4, and the probability of having attached earlobes (AA or Aa) is 3/4. Multiplying these probabilities gives 3/16.

Two Humans Mate Who Are Heterozygous for Earlobe Shape Where