Question

In pea, yellow seed colour is dominant over green colour. Heterozygous yellow seeded plant is crossed with green seeded plant. The ratio of yellow to green seeded offspring will be __________.

• A. 9 : 1
• B. 1 : 3
• C. 3 : 1
• D. 50 : 50.

Answer 1

The correct option is D 50 : 50.

A heterozygous yellow seeded plant(Yy) is crossed to homozygous recessive green seeded plant(yy). In the next generation 2 plants are heterozygous yelled seeded(Yy – 50%) and 2 plants are homozygous recessive green seeded(yy – 50%) are formed.

So, the correct optin is ’50:50’.