Snapdragons occur in nature as either green or yellow plants. a green snapdragon is homozygous and has the genotype cc. a yellow snapdragon is heterozygous and has the genotype cc. suppose that a gardener crosses two yellow snapdragons, and one-third of the offspring are green and two-thirds of the offspring are yellow.
what type of allele could be responsible for the 2: 1 offspring ratio seen when two yellow snapdragons are crossed?
a. dominant allele
b. polymorphic allele
c. recessive lethal allele
d. codominant allele
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