A human trait is influenced by a single pair of genes, with T representing the dominant gene and t representing the recessive gene. Joe (genotype Tt) and Meg (genotype Tt) decide to have children. According to the principles of Mendelian heredity, what percentage of their children would exhibit the trait?
a. 25
b. 50
c. 75
d. 100
Question 2
If blonde hair is dominant and designated as B and brunette hair is recessive and designated as b, probability would predict that if a couple each with a Bb hair color genotype had four children, _____ would have blonde hair.
a. one
b. two
c. three
d. four
Fights for dominance are normally brief, and sometimes merely displaying dominant gestures without p
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