
Practice
Quiz by Sara Wilking
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20 questions
Show answers
- Q1all the genes, including all alleles for each gene, that are present in a populationgene pool30s
- Q2number of times that an allele occurs in a gene pool as a percentage of the total occurrence of all alleles for that gene in that gene poolallele frequency30s
- Q3trait controlled by one gene that has two allelessingle-gene trait30s
- Q4trait controlled by two or more genespolygenic trait30s
- Q5form of natural selection in which individuals at one end of a distribution curve have higher fitness than individuals in the middle or at the other end of the curvedirectional selectional30s
- Q6form of natural selection in which individuals near the center of a distribution curve have higher fitness than individuals at either end of the curvestabilizing selection30s
- Q7natural selection in which individuals at the upper and lower ends of a distribution curve have higher fitness than individuals near the middle of the curvedisruptive selection30s
- Q8random change in allele frequency caused by a series of chance occurrences that cause an allele to become more or less common in a populationgenetic drift30s
- Q9a change in allele frequency following a dramatic reduction in the size of a populationbottleneck effect30s
- Q10change in allele frequencies as a result of the migration of a small subgroup of a populationfounder effect30s
- Q11situation in which allele frequencies in a population remain the samegenetic equilibrium30s
- Q12principle that states that allele frequencies in a population remain constant unless one or more factors cause those frequencies to changeHardy-Weinberg principle30s
- Q13when individuals select mates based on heritable traitssexual selection30s
- Q14the movement of genes into or out of a populationgene flow30s
- Q15a group of similar organisms that can breed and produce fertile offspringspecies30s
