In humans, the trait for tongue rolling is dominant over the trait for the inability of a human to roll his/her tongue. If a
heterozygous male is crossed with a homozygous recessive female, then what percent of the offspring would be
expected to have the ability to roll their tongues?
100%
75%
hlight
32:49
Tools
50%
1
.
D
25%
Color Blindness
Unaffected
father
Carrier
mother
S