Variation in the cell in brought by an event occuring in
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Genetic variation is caused by:
mutation.
random mating between organisms.
random fertilization.
crossing over (or recombination) between chromatids of homologous chromosomes during meiosis.
mutation.
random mating between organisms.
random fertilization.
crossing over (or recombination) between chromatids of homologous chromosomes during meiosis.
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Sources of genetic variation consist of random fertilisation and mutation. ... meiosis where the final devision leading to 4 haploid cells doesn' t occur and instead produces diploid cells, ..
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