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a) List any four reasons for adopting co...

a) List any four reasons for adopting contraceptive methods.
b) If a woman is using copper - T will it help in protecting her from sexually transmitted diseases Why?

Text Solution

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Advantages of sexual reproduction.
* In sexual reproduction more variations are produced thus it ensures survival of species in a pollination.
* The new formed individual has characteristics of both the parents.
* Variations are more vaible in sexual mode then in asexual one. This is because in asexual reproduction, DNA has to function inside the inherited cellular apparatus.
b) Four reasons for adopting contraceptive methods are
* To increase the gap between two children.
* To prevent unwanted pregnancy.
* To prevent transmission of STD.s
* To control populations growth.
c) If a woman is using copper-T it will not help in protecting her from sexually transmitted diseases. Copper-T prevents only implantation in the uterus.
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