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Animation: How Meiosis Works
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View the animation below, then complete the quiz to test your knowledge of the concept.

1Centromeres divide in
A)mitosis and meiosis I.
B)mitosis and meiosis II.
C)meiosis II only.
D)meiosis I and meiosis II.
E)mitosis, meiosis I and meiosis II.

2Which of the following describes meiosis II in humans?
A)4N -> 2N
B)2N -> 2N
C)2N -> 1N
D)1N -> 2N
E)1N -> 1N

3Arrange the following events in the proper order in which they occur during meiosis I.

1 = Separation of homologous chromosomes
2 = Synapsis
3 = Crossing-over
4 = Independent assortment
A)1, 2, 3, 4
B)1, 3, 2, 4
C)2, 3, 1, 4
D)2, 3, 4, 1
E)2, 4, 3, 1

4Germ-line cells are haploid but gametes are diploid.

5Independent assortment occurs in prophase I.

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