In: Biology
You have a garden of rare Indian Snow Lotus plants. You know that flower color is determined by two alleles of a single gene in this species, a “pink” allele, and a “yellow” allele. One these alleles is completely dominant over the other, but you forgot which one. You decide to cross two plants with yellow flowers to find out. You raise 6 offspring, and all of them have yellow flowers. Based on the results of this cross, which of the following statements do you know is TRUE?
A. The yellow allele is dominant
B. The pink allele is dominant
C. At least one of the parental plants is homozygous at the flower color gene
D. One of the parental plants has the recessive allele of the flower color gene
E. Not enough information to determine which is TRUE