In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what will be the ratio of yellow and green seeded plants would you expect in the F1 generation?

Question

In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what will be the ratio of yellow and green seeded plants would you expect in the F1 generation? (A) 9: 1 (B) 1: 3 (C) 3: 1 (D) 50: 50

Tardigrade Admin · Accepted Answer

Let YY &rArr; homozygous yellow seed plant. Yy &rArr; heterozygous green yy &rArr; homozygous green According to the question: <img class="img-fluid question-image" alt="Solution" src="https://cdn.tardigrade.in/q/nta/b-nt0akii409yokrz9.jpg" />

Q. In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what will be the ratio of yellow and green seeded plants would you expect in the F₁ generation?

9 : 1

1 : 3

3 : 1

50 : 50

Let YY ⇒ homozygous yellow seed plant.
Yy ⇒ heterozygous green
yy ⇒ homozygous green
According to the question :

Q. In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what will be the ratio of yellow and green seeded plants would you expect in the F1 generation?