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Question
Two pea plants one with round green seeds (RRyy) and another with wrinkled yellow (rrYY) seeds produce F1 progeny that have round, yellow (RrYy) seeds. When F1 plants are selfed, the F2 progeny will have new combination of characters. Choose the new combination from the following
- Round, yellow
- Round, green
- Wrinkled, yellow
- Wrinkled, green
Options
(i) and (ii)
(i) and (iv)
(ii) and (iii)
(i) and (iii)
Solution
(ii) and (iii)
Explanation -
Result obtained after selfing of F1 progeny - The new combination formed in F2 progeny is Round, green (RRyy) and Wrinkled, yellow (rrYY)
Punnett square - Selfing of F1 progeny
| Gametes | Ry | RY | rY | ry |
| Ry | RRyy | RRYy | RrYy | Rryy |
| RY | RRYy | RRYY | RrYY | RrYy |
| rY | RrYy | RrYy | rrYY | rrYy |
| ry | Rryy | RrYy | rrYy | rryy |
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