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 $F_1$ generation?
[2007]
(a) $9: 1$
(b) $1: 3$
(c) $3: 1$
(d) $50: 50$
Show Answer
Answer : d
Hints & Solution
(d) Let $GG \Rightarrow$ homozygous yellow seed plant. $Gg \Rightarrow$ heterozygous yellow seeded plant $gg \Rightarrow$ homozygous green seeded plant According to the question : (yellow) (green) (green) (yellow) So, the ratio will be $50: 50$