what are main source of variations in sexual reproducing population
Answers
Answer:
For a given population, there are three sources of variation: mutation, recombination, and immigration of genes. However, recombination by itself does not produce variation unless alleles are segregating already at different loci; otherwise there is nothing to recombine.
Answer:
Homologous recombination is a significant source of variability. During meiosis in sexual organisms, two homologous chromosomes from the male and female parents cross over one another and exchange genetic material. The chromosomes then split apart and are ready to form an offspring. Being controlled by genes means that recombination is also variable in frequency, location, thus it can be selected to increase fitness by nature because the more recombination the more variability and the more variability the easier it is for the population to handle changes.
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