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14 Cards in this Set
- Front
- Back
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a cell with two of each kind of chromosone
2n |
diploid
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a cell containing one of each kind of chromosones
n |
haploid
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in homologous chromosones the two chromosones are
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not always identical
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when cells divide by mitosis
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the new cells have exactly the same number and kind of chromosones
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meiosis occurs in the ________ of each parent that produce ____
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specialized body cell
gametes |
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male gametes are called
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sperm
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female gametes are called
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eggs
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zygotes result when ___ fertilizes an __
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sperm egg
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zygotes then develop by ____ into a _____ organism
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mitosis multicellular
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sexuaal reproduction is the pattern of reproduction involving the
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production and subsequent fusion of haploid sex cells
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tetrad is a __-part structure; consists of
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four 2 homologous chromosones
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crossing over are when non sister chromosones from homologous chromosones can actually
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break and exchange genetic material
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genetic recombination is the ____ of chromosones and the genetic info they carry either by ___ or by ___ ___
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reassortment crossing independent segregation
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nondisjunction is the failure of
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homologous chrmomsones to seperate properly during meiosis
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