Question
Mention three uses of PCR.
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OR
In snapdragon (Antirrhinum majus), a plant with red flowers was crossed with a plant with white flowers. Work out all the possible genotypes and phenotypes of F1 and F2 generations. Comment on the pattern of inheritance in this case.| S.No. | A | S.No. | B |
| (a) | Coitus interruptus | (e) | Vasectomy |
| (b) | Spermicidal Jelly/ cream | (f) | Natural family planning |
| (c) | Condom + spermicide | (g) | Diaphragm + spermicide |
| (d) | Natural family planning | (h) | IUD |