Reverse genetics is a process by which the functions of particular genes are worked out by disabling them. What process is used to knock out a gene or alter its expression?
a. molecular cloning
b. genetic mapping
c. gene targeting
d. linkage analysis
c. gene targeting
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Each amino acid is specified by a set of _____ bases in an mRNA transcript
a. 3 b. 20 c. 64 d. 120
The embryo becomes implanted in the endometrium of the uterus due to:
a. special receptors on the endometrium to which the blastocyst attaches. b. enzymes secreted by the trophoblast, which erode an area of the endometrium for entry of the embryo. c. special phagocytic cells in the endometrium, which engulf the embryo. d. the sticky coat of the zona pellucida, which adheres to the endometrium. e. the action of hCG secreted by the embryo.
Which of the following reasons helped make Mendel successful with his genetic experiments?
a. he had a strong background in mathematics b. he was very deliberate and followed the scientific method closely while doing his research c. he kept very detailed records of his research d. he was basing his research off of preexisting research e. all are reasons Mendel was successful with his genetic experiment
Globalization has enabled organizations to reduce their cost of production by
A) differentiating material culture that world over B) setting up barriers to cross-border trade C) creating manufacturing units in developing countries D)Turning national economies into self- contained entities