Chapter 11: Q. 4 (page 294)
At which stage of meiosis is sister chromatids separated from each other?
a. prophase I
b. prophase II
c. anaphase I
d. anaphase II
the correct answer is option d
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How do telophase I and telophase II differ during meiosis in animal cells?
a. Cells remain diploid at the end of telophase I, but are haploid at the end of telophase II.
b. Daughter cells form a cell plate to divide during telophase I, but divide by cytokinesis during telophase II.
c. Cells enter interphase after telophase I, but not after telophase II.
d. Chromosomes can remain condensed at the end of telophase I, but decondense after telophase II.
The pea plants used in Mendel’s genetic inheritance studies were diploid, with 14 chromosomes in somatic cells. Assuming no crossing-over events occur, how many unique gametes could one pea plant produce?
a. 28
b. 128
c. 196
d. 16,384
Explain why sexual reproduction is beneficial to a population but can be detrimental to an individual offspring.
Many farmers are worried about the decreasing genetic diversity of plants associated with generations of artificial selection and inbreeding. Why is limiting random sexual reproduction of food crops concerning?
a. Mutations during asexual reproduction decrease plant fitness.
b. Consumers do not trust identical-appearing produce.
c. Larger portions of the plant populations are susceptible to the same diseases.
d. Spores are not viable in an agricultural setting
Describe the process that results in the formation of a tetrad.
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