A male and a female guinea pig are both heterozygous for fur colour and fur
texture. Both dark fur (D) and rough fur (R) are dominant traits.
a. What are the recessive traits and what letters do you use for them?
b. What are the parent phenotypes?
c. How many different gametes are formed and what are they?
d. Determine the frequency of offspring that are homozygous for both traits.
e. Determine the frequency of offspring that have rough, dark fur.
f. Determine the frequency of offspring that express both recessive traits