Bio 117 Exam 1 Quizzes 1-3 A few individuals move between populations. This is an example of - ANSWER Gene Flow A few individuals of a population become separated and begin populating a new area. The resultant genetic make-up of this new population would be a consequence of _______ - ANSWER a founder effect Disruptive selection is selection for [x]. This causes an [y] in genetic diversity - ANSWER extreme phenotypes.Increase Evolution is a change in the [x] of a [y] over time - ANSWER gene pool population In a population of insects, both very large and very small individuals are successful at mating, but medium-sized individuals are not. This is an example of - ANSWER disruptive selection 1 / 2
Natural selection creates new traits / alleles - ANSWER False Small populations are especially susceptible to _______ - ANSWER genetic drift What term is used to describe all the alleles at every locus for all individuals within a population? - ANSWER Gene Pool What variable in the Hardy-Weinberg equation describes the expected proportion of heterozygotes? - ANSWER 2pq 608 individuals from a fruit fly population are sequenced. The following are the
resulting observed genotypes:
Homozygous Dominant 362 Heterozygous 94 Homozygous Recessive 152 Perform a G-test and Chi-Square analysis to fill in the blanks and answer the following question.The resulting G-statistic is _______ meaning that _______? - ANSWER greater than the chi-square; evidence does not support HWE for this trait On the G-table, the total number of expected individuals should be... - ANSWER equal in number to the observed individuals
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