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Sexual reproduction generate genetic variation

NCBI Bookshelf. Modern Genetic Analysis. New York: W. Freeman;
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Ways in Which Sexual Reproduction Provides Greater Genetic Diversity Than Asexual Reproduction

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How Sexual Reproduction Creates Genetic Variation - dummies

Meiosis is the process by which most eukaryotic organisms, those with cells having an organized nucleus, produces sex cells, the male and female gametes. Cells normally have two copies of each chromosome, one donated from each parent. This is the diploid chromosome condition and the paired chromosomes are called homologous. Meiosis transforms a diploid cell into four haploid granddaughter cells, each having a single copy of each chromosome. The process helps increase the genetic diversity of a species.
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How Sexual Reproduction Creates Genetic Variation

By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Biology Stack Exchange is a question and answer site for biology researchers, academics, and students. It only takes a minute to sign up. I'm curious as to why sexual reproduction generates genetic variation.
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Sexual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms. Asexual reproduction, on the other hand, does not need sperm and eggs since one organism splits into two organisms that have the same combination of genes. Sexual reproduction involves meiosis, which is the process of a cell doubling its DNA, shuffling its genes, and then dividing the shuffled DNA among four cells.
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