16.3k views
2 votes
In pea plants, the allele for yellow seeds (Y) is dominant and the allele for

green seeds (y) is recessive. Two plants with the following genotypes are
crossed:
YY x Yy
What ratio of yellow seeds to green seeds should you expect in the offspring?
A. 2:2
B. 3:1
C. 1:3
D. 4:0

2 Answers

2 votes

Answer:

ITS D

Step-by-step explanation:

User Tsaulic
by
8.1k points
1 vote

Answer: B: 3:1

Explanation: The first pair of alleles are homologous, consisting of both dominant yellow seeds, while the other pair is heterozygous with one yellow seed and one green seed. This would make the genotype 75% yellow and 25% green, or 3:1

User Jeff Day
by
7.4k points