Replacing an adenine nucleotide with a guanine is an example of a
A) translocation.
B) transition.
C) transversion.
D) forward mutation.
E) reversion or reverse mutation
B) transition.
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Which of the following areas is still seeing an
increase in deforestation? a. North America b. Europe c. China d. Brazil e. None of these
Which of the following statements regarding the figure 7 below is true?
A) Immigration rates are higher on smaller islands. B) Species richness should be higher on larger islands near to the mainland. C) Species diversity should be highest on larger islands far from the mainland. D) Extinction rates are highest on large islands near to the mainland. E) B and C
Which of the following statements is TRUE for prokaryotes?
a) They generally lack organelles (such as nuclei). b) Their DNA is associated with histone proteins. c) Their cell walls are chemically simple. d) They are multicellular organisms.
Consider a population with two loci each (A, B) with two alleles (A, a; B, b). What are the haplotype frequencies in this population if the allele frequencies are as follows: A = 0.5, a = 0.5, B = 0.7, b = 0.3?
a. AB = 0.35, Ab = 0.15, aB = 0.35, ab = 0.15 b. AB = 0.7, Ab = 0.1, aB = 0.1, ab = 0.1 c. AB = 0.25, Ab = 0.25, aB = 0.25, ab = 0.25 d. AB = 0.125, Ab = 0.25, aB = 0.25, ab = 0.125 e. cannot be determined based on the information provided