Explain how sexual reproduction cause variation among offspring.                

Explain how sexual reproduction cause variation among offspring.                

Variation in sexual reproduction is caused

• Crossing over that allows exchanges of genetic materials between hologous chromosomes at metaphase I of meiotic division.
• Random alignment and separation of homologous pair of chromosomes at metaphase I
• Random alignment of chromosomes and separation of chromatid into daughter cells at metaphase II
• Fertilization creates genetic diversity by allowing each parent to randomly contribute a unique set of genes to a zygote.

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