Ch. 17- Speciation review
Quiz by Kate Downey
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30 questions
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- Q1What is it called when a blue jay selects its mate based off of a specific trait?directional selectionsexual selectionnatural selectiondisruptive selection45s
- Q2What term best describes this situation? A few lizards of the same species made their way onto a new island and eventually evolved into several species.genetic equilibriumspeciationstabilizing slectiongenetic drift45s
- Q3What is it called when individuals move into or out of a population?nonrandom matingmigrationmovementnatural selection45s
- Q4Genetic differences are caused by all the following except:mutationsgenetic recombinationrandom fusion of gametescrossing recombination45s
- Q5An allele is:a version of the same genesister chromatidsalternative genesthe only version of a gene45s
- Q6Say a base pair is originally C-G but during replication is it changed to T-A. This is an example of what?polygeneitc traitrecombinationmutationsingle gene trait45s
- Q7How often a specific allele of a gene shows up in the gene pool of a population is called...genotypephenotypeallele frequencyHardy-Weinberg equilibrium45s
- Q8A gene pool consists ofthe least popular traits in a populationthe most popular traits in a populationall the traits in a populationall the dominant traits in a population45s
- Q9In directional selection what is favored?one of the extreme traitsthe mean of the populationthe average populationthe middle portion of the graph45s
- Q10When you can easy observe the similarities and differences of a species physical structure it is called...twin speciesmorphological speciesbiological speciesstructural species45s
- Q11In order to be considered a true species, the individuals must be able to produce a viable offspring.FalseTrue45s
- Q12If genetic drift were to occur what would happen to the gene pool?it becomes more variednew genes would be addedit would disappearchange in allele frequency45s
- Q13Which of the following describes a population?squirrels and rabbits living in Central Parkdeer living in Estes Park9 deer species living in the same forestsame lizard species living in San Diego and San Fransico45s
- Q14If all the allele frequencies in a population remain the same one generation after the next, what is occurring?evolutionchangestabilized equilibriumgenetic equilibrium45s
- Q15What condition wouldn't cause evolution to occur?sexual selectiongenetic driftall of these would cause evolution to occurmigration45s