A plant breeder has a plant with the dominant phenotype for

Last updated: 7/24/2022

A plant breeder has a plant with the dominant phenotype for a single-gene tralt. The breeder wants to figure out the plant's genotype by doing a testcross. The results of the testcross will be different depending on whether the plant is homozygous or heterozygous for the trait. In the testcross, the plant should be crossed with which of the following? A. a plant that has multiple genes for the trait B. a plant that has never been crossed for the trait C. a plant that is homozygous recessive for the trait D. a plant that is homozygous dominant for the trait