Which of the following genotype(s) would be considered 'purebred'
a. Homozygous dominant
b. Homozygous recessive
c. Heterozygous
d. Both a and b
e. Codominant
d. both a and b homozygous means that the genotypes would be the same. so, homo dominant (ex. RR) and homo recessive (ex. rr) would be considered purebred genotypes