meiosis and genetic variation review sections 6.1, 6.2, and 6.3 1
TRANSCRIPT
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Meiosis and Genetic Variation Review
Sections 6.1, 6.2, and 6.3
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• What is the process called that produces gametes?
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• Where in the body are germ cells found?
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• What word describes two chromosomes that always exist as a homologous pair in a cell?
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• A cell that is diploid and created by mitosis is what type of cell?
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• How many nuclear divisions take place during meiosis?
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• How many nuclear divisions take place during mitosis?
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• Name at least two ways that meiosis is different from mitosis?
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• In what phase of meiosis do homologous chromosomes line up at random down the equator of the cell?
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• In what phase of meiosis do sister chromatids separate?
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• In what phase of meiosis does crossing over take place?
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• What is the major difference between interphase 1 (the interphase that takes place before meiosis 1) and interphase 2 (the interphase that takes place between meiosis 1 and meiosis 2?
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• What are at least two differences between a gamete and a somatic cell?
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• In which part of meiosis does the reduction in the number of chromosomes, from diploid to haploid, take place?
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• How many daughter cells does meiosis 2 produce?
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• What are polar bodies?
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• How many eggs result from a female germ cell?
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• What is the result of gametogenesis?
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• What are at least two differences between meiosis 1 and meiosis 2?
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• When we say genes are linked, what does that mean?
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• What happens during crossing over?
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• How does crossing over increase genetic variation?
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• In what kind of cell does crossing over take place?
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• What is independent assortment of chromosomes?
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• What is the difference between phenotype and genotype?
• How are they related to one another?
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• What percent of your genes do you share with your nieces and nephews?
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• How does independent assortment increase genetic variation?