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Module 1: Biología: Meiosis

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Importancia de la meiosis

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XSIQ
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Biology - Significance of meiosis

Significance of meiosis

Why does meiosis result in increased variation in offspring?

* Haploid [1] gametes [2] are formed so that when fertilisation takes
place there is no doubling up of chromosomes; the diploid [3] number is
restored.

* Increased variation [4] in offspring; different combinations of alleles
[5] are possible because of crossing over [6] during which parts of
chromosome pairs can be exchanged and recombine.

* Random assortment (segregation) [7] of chromosomes occurs.

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[5] http://alison.com/#
[6] http://alison.com/#
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