Question

(i) Study the following cross showing self-pollination in pea plant.
Or
Fill in the blanks and answer the questions that follows
RRYY
rryy
Parents
Round yellow
Wrinkled green
RrYy
F1-generation
Round yellow
(ii) Derive the combinations of characters expected in the F2 progeny? Also write the rati
(iii) According to you, what is responsible for the inheritance of traits?​

Answer 1

Answer:

1. In F2 generation the combination of characters will be Round yellow(9),Round green(3),Wrinkled green(3),Wrinkled yellow(1).The ratio of phenotype is 9:3:3:1.
2. The gene is responsible for inheritance of trait.

Answer 2

Answer:

Cross between homozygous dominant and homozygous recessive gives heterozygous individuals. In this case, F  1

​ generation would be RrYy (Round and Yellow) only.

Explanation: