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What are cell produced by Meiosis in plants and animals called and why are homologous...

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elnor | Student, Undergraduate | (Level 1) Honors

Posted January 16, 2013 at 2:04 AM via web

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What are cell produced by Meiosis in plants and animals called and why are homologous chromosomes important?

a. What are the cells produced by meiosis called in animals?
b. What are the cells produced by meiosis called in plants?
c. What are homologous chromosomes, and why are they important in meiosis?

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trophyhunter1 | College Teacher | (Level 3) Senior Educator

Posted January 16, 2013 at 3:43 AM (Answer #1)

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Meiosis which occurs in organisms that reproduce sexually, results in the production of haploid cells known as gametes. In animal cells, the male gamete is the sperm cell and the female gamete is the egg cell. In plants, it is virtually the same thing. Pollen grains give rise to sperm cells and ovules contain egg cells. Homologous chromosomes are a similar pair of chromosomes of approximately the same size and length. One member of the pair comes from the mother, the other from the father. During meiosis, homologous chromosomes undergo synapsis and crossing over takes place. This results in a recombination of genes in unique ways that will end up in the gametes or sex cells of an organism.

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