Q1) You suspect that gene Z has been under positive selection. You sequence this
ID: 269629 • Letter: Q
Question
Q1) You suspect that gene Z has been under positive selection. You sequence this gene for multiple individuals in both Species 1 and Species 2. You determine the total number of synonymous and nonsynonymous substitutions as classified within species (i.e., Polymorphisms) and between species (i.e., Species fixed differences). Your data are presented in the table below. You can conclude that...
gene Z has been under positive selection
only synonymous sites in gene Z affect fitness
gene Z has not been under positive selection
it's not possible to determine if gene Z has been under positive selection
Q2) Which of the following is NOT a component of the Neutral Theory?
_________ will result in increased genetic variation between populations and decreased genetic variation within populations
Balancing selection
Q4) Some variants are more successful at surviving and reproducing than others in a given population. Which principle of Darwinian evolution does this statement describe?
Species fixed differences Polymorphisms Nonsynonymous 7 2 Synonymous 12 6Explanation / Answer
Q2) All evolution is determined by natural selection
Q3) Genetic drift
Q4) Principle of selection.
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