Question

Why is sexual reproduction necessary for evolution.

Answer 1

Sexual reproduction:

1. In sexual reproduction, male and female gametes are formed to produce offspring.
2. These gametes are either formed by the same individual or by different individuals of the opposite sex.

Evolution:

Evolution is the change in the inherited characteristics of biological populations over successive generations.

Sexual reproduction necessary for evolution:

1. Sexual reproduction involves the fusion of gametes which results in genetic recombination.
2. Due to genetic recombination, the genetic constitution of organisms changes.
3. This leads to variations.
4. Variations help in the survival of organisms.
5. Variations are with respect to environmental changes.
6. This will leads to evolution.