Discuss the variations shown by the gametes in terms of its size & shape with examples
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Genetic Variation
mutation.
random mating between organisms.
random fertilization.
crossing over (or recombination) between chromatids of homologous chromosomes during meiosis.
Explanation:
Genetic variation refers to diversity in gene frequencies. Genetic variation can refer to differences between individuals or to differences between populations. Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well.
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