The difference between fitness of a given genotype and another genotype considered optimal is called the selection coefficient (s)
What is the selection coefficient for a genotype (aa) that produces an average of 99 offspring when Aa individuals produce an average of 100 offspring?
s = 0.01
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A researcher collects a soil sample and sequences the entire genomes of two prokaryotes found in the sample
In these genomes, she finds identical prophage DNA located in different areas of the two genomes. Based on the similarity of the sequences of the prophages and their placement in the prokaryotes' genome, what could she conclude concerning the relatedness of the two genomes? What will be an ideal response?
Which of the following does not use RNA as the genome?
A. Rabies virus B. Poliovirus C. Influenza virus D. Poxvirus
Presently, the replacement fertility rate in developed countries is ____
a. 2.0 b. 2.1 c. 2.4 d. 2.6 e. 2.8
Recombinant DNA is any DNA that
a. has been cut by restriction enzymes. b. is at least four to eight base pairs in length. c. has had its gene sequence rearranged. d. consists of base pairs from two or more organisms e. is none of these.