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6Mar17 Biology (Meiosis and sex outcome (Each sperm that a male produces…
6Mar17 Biology
Meiosis and sex outcome
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Erros in the sex chromosomes, such as klinefelter Syndrome (XXY) do occor
Nondisjunction, Dupliccations, And Deletions
Nondisjunction: oocurs when pairs of homologous chromosomes or sister chromatids fail to separate during meiosis
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Harmful abberations can occur within chromosomes, with many of these aberrations coming about because of mistakes in chromosomal interaction.
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Fertilization
haploid sperm and haploid egg fuse, diploid fertilized egg (or zygoe)
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Chapter 6:
2, 3, 4, 5, 6, 7, 8, and 10
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