1. What is the correct definition of meiotic cell division?
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2. In meiosis the nucleus undergoes two divisions. Which of the statements about meiosis I is correct?
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3. In which phase of meiosis do homologous pairs of chromosomes line up along the equator of the cell?
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4. What information can be obtained from this karyotype?
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5. What is the correct definition of random assortment?
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6. Chorionic villus sampling (CVS) allows cells to be removed from the fetus to provide a karyotype. Which of the below describes CVS?
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7. What happens in crossing over and when does it occur?
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8. Which of the following promotes genetic variation in sexual reproduction?
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9. Non-disjunction refers to the chromosomes failing to separate correctly, resulting in gametes with one extra or one missing chromosome. When can this occur?
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10. Which of the descriptions below best describes a diploid organism with 12 chromosomes in each body (somatic) cell?
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