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Although sexual reproduction is a long d...

Although sexual reproduction is a long drawn, energy-intensive complex form of reproduction, many groups of organisms in kingdom- Animalia and Plantae prefer this mode of reproduction. Give atleast three resaons for this.

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(i) By sexual repoduction , variation appears in offspring .
(ii) Genetic recombination appears in gametes due to meiosis - I due to process of crossing over .
(iii) Offspring has better chances of survival in changed environment.
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