Ncert Exercises & Solutions

Q. 2 The term 'clone' cannot be applied to offspring formed by sexual reproduction because

(1) offspring do not possess exact copies of parental DNA

(2) DNA of only one parent is copied and passed on to offspring

(3) offspring are formed at different times

(4) DNA of parent and offspring are completely different

(c)

In both types of reproduction (asexual and sexual), there is transfer of genetic material from parent (s) to their young ones which have some resemblances with their parents. Reduction division (meiosis) has to occur if a diploid body has to produce haploid gametes that is in case of sexual reproduction only.

Gametic fusion The formation of male and female gametes and their fusion to form the zygote also takes place only in sexual reproduction.

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