Biology, Eighth Edition (Raven)

Chapter 11: Sexual Reproduction and Meiosis

Pre Test

1
True or false: in plants, meiosis produces the gametes (p. 207)
A)True
B)False
2
During which phase of meiosis does crossing over occur?
A)Prophase I
B)Metaphase I
C)Prophase II
D)Metaphase II
E)Crossing over occurs throughout meiosis I
3
True or false: To determine the number of chromosomes in a cell, you can simply count up the number of centromeres (assume that joined sister chromatids share a single centromere). (p. 211)
A)True
B)False
4
Which of the following statements is true? (p. 215)
A)Independent assortment in mitosis creates new genotypes (genetic characteristics).
B)Pairing up of chromosomes during meiosis II creates new arrangements of genes within a single chromosome.
C)Meiosis directly produces gametes.
D)A zygote is created through meiosis.
E)Meiosis involves two nuclear divisions without having DNA replication occurring between them.
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