Which process can create new alleles?
A. natural selection
B. mutation
C. sexual reproduction
D. genetic drift
B. mutation
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Few genes in all organisms have common evolutionary roots
Indicate whether the statement is true or false.
Which one of the following sets of homopolymeric peptides is generated in vitro with the synthetic RNA polymer consisting of the repeating trinucleotide (GUC)n?
A. Poly(Val), Poly(Ala), and Poly(Leu) B. Poly(Ser), Poly(Gly), and Poly(Arg) C. Poly(Arg), Poly(Ser), and Poly(Val) D. Poly(Val), Poly(His), and Poly(Asn)
What is an exception to the standard biological species concept used to define a species?
A) Species that coevolved cannot be distinguished using this concept. B) Natural interbreeding populations cannot be distinguished using this concept. C) Asexual species cannot be distinguished using this concept. D) Species that do not resemble one another cannot be distinguished using this concept.
In the accompanying figure, the purpose of growing the donor cells in nutrient-limited media is to:
a. have small cells that would be easier to manipulate.
b. replicate a normal environment.
c. force the donor cell nucleus into the G0 cell stage.
d. induce favorable mutations.
e. initiate apoptosis.