Please help me I promise to mark u the brainiest and give you 40 points please can somebody help me!! How does genetic variation allow humans to survive long-term?
Which type of reproduction is responsible for genetic variation?

Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation. Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population. Sexual reproduction promotes genetic variation by producing different gene combinations. Meiosis is the process by which sex cells or gametes are created. Genetic variation occurs as alleles in gametes are separated and randomly united upon fertilization.

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