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Question
Distinguish between a gamete and zygote. Explain their roles in sexual reproduction.
Solution
| Gamete | Zygote |
| Gametes are formed through meiosis. | It is formed from the fusion of male and female gametes. |
| It is the sex cell or germ cell that takes part in fertilisation. | It is the product of fertilisation. |
| The gametes are of two types - male and female gametes, each possessing characters of their parents. | It possesses characters of both the parents. |
| It is the last cell of its generation. | It develops into an embryo which grows into a new individual so, zygote is the first cell of the new generation. |
- Role of gamete in sexual reproduction - Gamete is the sex or germ cell specialised to take part in sexual reproduction. Fusion of a male gamete with a female gamete produces a zygote.
- Role of zygote in sexual reproduction - Zygote develops into an embryo that later forms the new individual.
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