In order for the frequency of a particular allele in a population to increase, 

A. the allele must be selected for.
B. those having the allele must be better reproducers.
C. the individuals without the allele do not compete as well.
D. All of these answers are true.


D. All of these answers are true.

Biology & Microbiology

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In eukaryotes, specific transcription factors have two distinct domains:  

A.  a DNA-binding domain and a RNA-binding domain. B.  a DNA-binding domain and an activation domain. C.  a DNA-binding domain and a repressor domain. D.  a DNA-binding domain and an enhancer domain. E.  a DNA-binding domain and an operator domain.

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What occurs immediately following cytokinesis?

A) Prophase B) Telophase C) Anaphase D) The G1 portion of interphase

Biology & Microbiology

The fact that genes associated with altruism are favored by natural selection if they lead to the reproductive success of an altruist's closest relatives is called _____.

A. inclusive fitness B. survival of the fittest C. evolution D. inbreeding E. selective mating

Biology & Microbiology

Which of the following two enzymes are needed to construct a cDNA library?

A. reverse transcriptase and DNA ligase B. DNA ligase and Taq polymerase C. reverse transcriptase and Taq polymerase D. Taq polymerase and RNA polymerase

Biology & Microbiology