Match the term with the BEST definition. EACH TERM IS USED EXACTLY ONCE.くOrigin of new allelesDifferential reproductionくin a variable gene pool1. MicroevolutionMigration2. Prezygotic mechanism✓Prevents fertilization3. HomologousくAllele frequency changes4. Analogous5. Gene flowThe handicap imposed byflashy coloration suggests6. Genetic drifthigher fitness.7.Natural selectionTraits resulting fromshared selection pressures8.MutationTraits resulting fromshared ancestry9.Honest advertising hypothesisFlashy coloration indicatesincreased metabolicefficiency.10. Good genes hypothesis☐ ☐>Random change in genefrequencyQuestion 25/Mandatory (pointel280F33#$94ERF4F5F6%do5t6F7DIIF8DDF94F10F11&7YU8900-

Matches of each term with the best definition: Origin of new alleles → Mutation (8): Mutations are…

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Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter19: The Evolution Of Populations

Section: Chapter Questions

Problem 1VCQ: Figure 19.2 In plants, violet flower color (V) is dominant over white (v). If p = .8 and q = 0.2 in...

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Similar questions

A wild population of pea plants has two alleles for flower color in its gene pool. A dominant allele (P) specifies purple flowers; a recessive allele (p) specifies white flowers. If the die frequency of allele P is 0.75, what is the expected frequency of allele p?
The reason spontaneous mutations do not have an immediate effect on allele frequencies in a large population is that: a. mutations are random events, and mutations may be eitherbeneficial or harmful. b. mutations usually occur in males and have little effect oneggs. c. many mutations exert their effects after an organism hasstopped reproducing. d. mutations are so rare that mutated alleles are greatlyoutnumbered by nonmutated alleles. e. most mutations do not change the amino acid sequence of aprotein.
The MN blood group is of interest to population geneticists because (a) people with genotype MN cannot receive blood transfusions from either MM or NN people (b) the MM, MN, and NN genotype frequencies can be observed directly and compared with calculated expected frequencies (c) the M allele is dominant to the N allele (d) people with the MN genotype exhibit frequency-dependent selection (e) people with the MN genotype exhibit heterozygote advantage
A population of mice is at HardyWeinberg equilibrium at a gene locus that controls fur color. The locus has two alleles, M and m. A genetic analysis of one population reveals that 60% of its gametes carry the M allele. What percentage of mice contains both the M and m alleles? a. 60% b. 48% c. 40% d. 36% e. 16%
Which of the following represents an example of qualitative phenotypic variation? a. the lengths of peoples toes b. the body sizes of pigeons c. human ABO blood types d. the birth weights of humans e. the number of leaves on oak trees
An Eastern European immigrant carrying the allele for Tay-Sachs disease settled in a small village on the St. Lawrence River. Many generations later, the frequency of the allele in that village is statistically higher than it is in the immigrants homeland. The high frequency of the allele in the village probably provides an example of: a. natural selection. b. the concept of relative fitness. c. the HardyWeinberg genetic equilibrium. d. phenotypic variation. e. the founder effect.
The phenomenon in which chance events cause unpredictable changes in allele frequencies is called: a. gene flow. b. genetic drift. c. inbreeding. d. balanced polymorphism. e. stabilizing selection.
Population genetics is the study of: how selective forces change the allele frequencies in a population over time the genetic basis of population-wide traits whether traits have a genetic basis the degree of inbreeding in a population
Match the evolution concepts. ____ gene flow a. can lead to interdependent species ____ sexual selection b. changes in a populations allele frequencies due to chance alone ____ mutation c. alleles enter or leave a population ____ genetic drift d. adaptive traits make their bearers better at securing mates ____ coevolution e. original source of new alleles ____ adaptive radiation f. burst of divergences from one lineage into many
Match the modes of natural selection with their best description. ____ stabilizing a. eliminates extreme forms of a trait ____ directional b. eliminates midrange forms of a trait ____ disruptive c. shifts phenotypes in one direction
INTERPRET DATA The recessive allele that causes Ellisvan Creveld syndrome when homozygous has a frequency of about 0.07 in the Amish population of Pennsylvania, although its frequency is only about 0.001 in the general population. How many persons out of one thousand in the Amish population would be expected to have the disease? How many out of one million in the general population?
If the genotype frequencies in a population are 0.60 AA, 0.20 Aa, and 0.20 aa, and if the requirements of the HardyWeinberg principle apply, the genotype frequencies in the offspring generation will be: a. 0.60 AA, 0.20 Aa, 0.20 aa. b. 0.36 AA, 0.60 Aa, 0.04 aa. c. 0.49 AA, 0.42 Aa, 0.09 aa. d. 0.70 AA, 0.00 Aa, 0.30 aa. e. 0.64 AA, 0.32 Aa, 0.04 aa.

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