A pea plant with purple flowers (and unknown genotype) is crossed with a pea plant with white flowers. one-half of the offspring have purple flowers and one-half have white flowers. what are the genotypes of the parent plants? see section 11.3 (page 177).

Question

Viola

Biology

7 March, 23:41

A pea plant with purple flowers (and unknown genotype) is crossed with a pea plant with white flowers. one-half of the offspring have purple flowers and one-half have white flowers. what are the genotypes of the parent plants? see section 11.3 (page 177).

+3

Answers (1)

Know the Answer?

Kyla · Answer 1

The genotypes of the parents are Aa (heterozygous) and aa (recessive homozygous).

For example:

If the purple flower is dominant phenotype, then A is a dominant allele for it and Aa is a genotype which will give the purple colour.

In this case, white flower is recessive phenotype with aa genotype.

If we cross Aa x aa

The offspring is going to be Aa Aa aa aa (half purple and half white)