Principles of Inheritance and Variation Question 43

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

[2007]

(a) 9:1

(b) 1:3

(c) 3:1

(d) 50:50

Show Answer

Answer : d

Hints & Solution

(d) Let GG homozygous yellow seed plant.
Gg heterozygous yellow seeded plant
gg homozygous green seeded plant
According to the question :

So, the ratio will be 50:50



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