Which of the following statements is false
concerning X chromosome inactivation?
a. It is an accident of evolution.
b. It is an example of dosage compensation.
c. It is a gene control mechanism.
d. Normal development of female embryos
depends on it.
e. It does not occur in males
A
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Sperm-producing cells are referred to as
a. spermatocytes. b. Sertoli cells. c. interstitial cells. d. seminiferous cells. e. spermatogenic cells.
One result of the bottleneck affect can be
a. homozygosity. b. heterozygosity. c. increased genetic diversity. d. disruptive selection. e. the founder effect
The subfield of genomics that deals with gene expression and interaction is
A) comparative genomics. B) functional genomics. C) structural genomics. D) hypothetical genomics. E) expression genomics.
Heavy metals work by
A. inactivating proteins. B. binding to DNA. C. mutating DNA. D. dissolving the cell wall. E. rupturing the cell membrane.