The DNA molecule is made up of _____ strand(s) and the RNA molecule is made up of _____ strand(s)
a. 1; 2
b. 2; 1
c. 4; 2
d. 1; 1
e. 2; 4
b
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A woman who is heterozygous for an allele that results in X-linked pattern baldness marries a man who is nonbald. Which of the following would be true of their offspring?
A. All would be bald B. All of the females would be nonbald, all males would be bald C. All of the females would be nonbald, ½ of the males would be bald D. ½ of females would be bald, and ½ of the males would be bald E. All would be nonbald
An individual born without Pacinian corpuscles will not:a
sense stretching of the skin. b. sense heat from a burning match. c. feel pain. d. sense surface vibrations easily. e. sense heavy pressure quickly
Gene flow means most nearly the same as
a) genetic drift b) natural selection c) migration d) founder effect e) meiotic drive
Gamma-irradiation is particularly useful for heat-sensitive medical supplies because it penetrates throughout the product
a. true b. false