Exam 13: Processes of Evolution

For each statement, select the best choice that represents the description given. -​bacterial populations evolve resistance to antibiotics via new traits that arise by mutation A)character B)clade C)cladistics D)microevolution E)dimorphism F)phylogeny G)balanced polymorphism H)cladogram I)fixed allele

For each statement, select the genetic evolutionary concept that best represents the description. -mating among close relatives A)genetic drift B)inbreeding C)bottleneck D)founder effect E)fixed F)gene flow

For each statement, select the best choice that represents the description given. -​group of species that share a set of characteristics A)character B)clade C)cladistics D)microevolution E)dimorphism F)phylogeny G)balanced polymorphism H)cladogram I)fixed allele

​Mutations that result in the death of the individual are known as ____.

Natural selection drives changes in allele frequencies by influencing traits with a ____ basis.

In the universal ABO blood grouping system, there are four phenotypes-A, B, AB, and O-which are determined by three different alleles. The presence of three alleles in the ABO blood grouping system is an example of ____.

​The process of speciation always includes ____ isolation.

​How are new combinations of alleles introduced into chromosomes?

The following graphs show the frequency of the b+ allele over 20 generations in two populations of heterozygous flour beetles (data for a population of 10 individuals is shown in graph A; data for a population of 100 individuals is shown in graph B). Why does the frequency of the b+ allele increase in both populations?

For each statement, select the genetic evolutionary concept that best represents the description. -the movement of alleles between populations A)genetic drift B)inbreeding C)bottleneck D)founder effect E)fixed F)gene flow

For each statement, select the best choice that represents the description given. -​evolutionary tree diagram that shows hypothesized of evolutionary relationships among a group of clades A)character B)clade C)cladistics D)microevolution E)dimorphism F)phylogeny G)balanced polymorphism H)cladogram I)fixed allele

Matching For each statement, select the graph that best represents the mode of selection described. ​ -distribution of traits in a population before selection occurs A)A B)B C)C D)D

The Old Order Amish in Lancaster County is descended from one man and woman and has an unusually high frequency of a recessive allele that causes Ellis-van Creveld syndrome. This is an example of ____.

For each statement, select the genetic evolutionary concept that best represents the description. -reduction in population size so severe that it reduces genetic diversity A)genetic drift B)inbreeding C)bottleneck D)founder effect E)fixed F)gene flow

For each statement, select the best choice that represents the description given. -​evolutionary history of a species A)character B)clade C)cladistics D)microevolution E)dimorphism F)phylogeny G)balanced polymorphism H)cladogram I)fixed allele

Match the evolutionary concepts correctly with the correct description or example. Some choices may be used more than once. -The Industrial Revolution resulted in soot-covered trees, which allowed dark-colored peppered moths to blend in and escape predators; the moth population eventually became comprised of mostly dark-colored individuals. A)reproductive isolation B)sexual selection C)directional selection D)disruptive selection E)genetic drift F)founder effect G)gene flow H)stabilizing selection

Matching For each statement, select the graph that best represents the mode of selection described. ​ -disruptive selection-a midrange form of a trait is eliminated, and extreme forms are adaptive. A)A B)B C)C D)D

​In Lake Victoria, hundreds of cichlid fish species arose after the lake last dried up 12,400 years ago. This is an example of ____.

​The use of phylogeny to determine evolutionary relationships has practical applications in ____.

​____ occurs when a change in chromosome number takes place in a single generation.