Question

Explain how sexual reproduction gives rise to more viable variations than asexual reproduction.


How does this affect the evolution of those organisms that reproduce sexually?


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Answer 1

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In sexual reproduction, two individuals having different variations combine their DNA to

give rise to a new individual.

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• Therefore, sexual reproduction allows more variations,whereas in asexual reproduction, chance variations can only occur when the copying of DNA is not accurate.

• Additionally, asexual reproduction allows very less variations because if there are more variations, then the resultant DNA will not be able to survive inside the inherited cellular apparatus.

• However, in sexual reproduction, more variations are allowed and the resultant DNA is also able to survive, thus making the variations viable.

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• Variants help the species to survive in all the conditions.

• Environmental conditions such as heat, light, pests, and food availability can change
• suddenly at only one place.

• At that time, only those variants resistant to these conditions
• would be able to survive.

• This will slowly lead to the evolution of a better adapted
• species.

• Thus, variation helps in the evolution of sexually reproducing organisms.

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Answer 2

Answer:

Hey mate here is your answer

Explanation:

Sexual reproduction is a type of reproduction that involves a complex life cycle with alternation of generations between a haploid phase composed of cells with a single set of chromosomes and a diploid phase composed of cells with a double set of chromosomes.

Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes, and almost never changes the number of chromosomes.

First, sexual reproduction can combine the effects of two beneficial mutations in the same individual (i.e. sex aids in the spread of advantageous traits). Also, the necessary mutations do not have to have occurred one after another in a single line of descendants.

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