Question
17.
In humans, the trait for having a second toe that is
longer than the big toe (T) is dominant, the trait
for having a second toe that is shorter than the
big toe (t) is recessive. The two traits are shown
in the figure below.
Dominant Trait
Recessive Trait
A family has eight children. Six children have
Two
second toes that are longer than the big toe. Two
children have second toes that are shorter than the
big toe. What are the most likely genotypes of the
parents?
A. Tt and Tt
B. Tt and tt
C. TT and tt
D. TT and TT