Question

What will be the result in F2 progeny when the plants obtained in F1 generation were self pollinated​

Answer 1

Answer:

This diagram shows Mendel's first experiment with pea plants. The F1 generation results from cross-pollination of two-parent (P) plants and contained all purple flowers. The F2 generation results from self-pollination of F1 plants and contained 75% purple flowers and 25% white flowers.

Explanation:

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Answer 2

Answer:

In a dihybrid cross, a plant with yellow colour round seeds(YYRR) is crossed to green colour wrinkled(yyrr) seeds. In the F1 generation, plant with yellow colour wrinkled seeds(YyRr) are formed. When F1 plant is subjected to self pollination, in the F2 generation 1YYRR, 2 YYRr, 2YyRR, 4YyRr, 1YYrr, 2Yyrr, 1yyRR, 2yyRr, 1yyrr are formed genotypically and 9 plants are Yellow round, 3 plants are yellow wrinkled, 3 plants are green round and 1 plant is green wrinkled are formed phenotypically. In this 12 progeny are with yellow coloured seeds, 12 progeny with round seeds 4 progeny with wrinkled seeds, 4 progeny with green seeds. The ratio between yellow and green coloured seeded progeny is 12:4 = 3:1

So, the correct option is ‘3:1’.

Explanation:

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