Recessive genes are expressed under which of the following conditions?
A. Every time they are found in an organism. B. In green plants that reproduce through seeds. C. When asexual organisms produce a pair of offspring. D. Only in the absence of dominant genes for the same trait.
D. Only in the absence of dominant genes for the same trait. Recessive genes are absent of something, so both genes have to be absent of that particular trait.
