A Mendelian test cross is used to determine whether
A) segregation or independent assortment is occurring.
B) an allele is dominant or recessive.
C) the genotype or phenotype is more important.
D) the flowers are purple or white.
E) an individual is homozygous or heterozygous.

Question

Quizplus · Accepted Answer

A Mendelian test cross involves crossing an individual with a dominant phenotype (but unknown genotype) with an individual that is homozygous recessive for the trait in question. This is done to determine whether the individual with the dominant phenotype is homozygous or heterozygous for the dominant allele.

A Mendelian Test Cross Is Used to Determine Whether