D. , ( allu (iv)
2. in a breeding experiment between a parent showing the dominant
phenotype and a parent showing the recessive phenotype, the offspring
showed equal proportions of the dominant and recessive phenotypes.
which one of the following statements is true?
a. both parents were heterozygous.
b. both parents were homozygous.
c. both parents carry at least one recessive gene.
d. only one parent carried at least one recessive gene.