In a cross between two pea plants, trait for yellow seed color appears when the expressed gene has one or both alleles for yellow color. Green color appears only when both alleles code for green color. What conclusion can be drawn from the statement? A. Both yellow color and green color are acquired traits.
B. Yellow color is a normal trait while green color is a mutated trait.
C. Yellow color is a dominant trait while green color is a recessive trait.
D. Yellow color is a recessive trait while green color is a dominant trait.