Which one of the following statements about restriction fragment length polymorphisms (RFLPs) is correct?
A. RFLPs are the product of cleavage by
restriction enzymes.
B. RFLPs are variations in restriction sites
that result in DNA being cleaved into different
-sized pieces.
C. RFLPs are numerous in the human
population.
D. RFLPs can serve as a genetic fingerprint
in forensic analyses.
E. All of the answer options are correct.
E
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If you found a mutation, involving the loss of two bases, which was present in humans living on all four continents which you could test but was absent in close relatives such as gorillas and chimps, what would this imply?
A. Two bases were actually insertions in the nonhuman primates. B. Deletion arose before the branch between humans and nonhuman primates. C. Deletion arose in multiple nonhuman primates. D. Deletion arose at least six times in different human populations. E. Deletion arose after the branch between humans and nonhuman primates.
The vital capacity is indicated by
a. A + D. b. A + D + E. c. C + E. d. A + B + D. e. A + C + D.
Symptoms of menstrual pain are caused by
a. prostaglandins causing smooth muscle contraction and release during the period. b. the hormone aldosterone causing more absorption of sodium. c. lack of exercise causing hormonal changes. d. lack of sunlight limiting hormone production. e. all of these.
Explain the process of soil formation by weathering. What will be an ideal response?