
Biology I-2: Chapter 17 Vocab
Authored by Michael Tuholski
Biology
9th Grade
Used 4+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
all the genes, including all the different alleles for each gene, that are present in a population at any one time
gene pool
molecular clock
temporal isolation
single-gene trait
allele frequency
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
number of times that an allele occurs in a gene pool compared with the number of alleles in that pool for the same gene
allele frequency
gene pool
molecular clock
polygenic trait
single-gene trait
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
trait controlled by one gene that has two alleles
single-gene trait
allele frequency
gene pool
directional selection
polygenic trait
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
trait controlled by two or more genes
polygenic trait
single-gene trait
allele frequency
stabilizing selection
directional selection
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
form 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 curve
directional selection
polygenic trait
single-gene trait
disruptive selection
stabilizing selection
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
form of natural selection in which individuals near the center of a distribution curve have higher fitness than individuals at either end of the curve
stabilizing selection
directional selection
polygenic trait
genetic drift
disruptive selection
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
natural selection in which individuals at the upper and lower ends of the curve have higher fitness than individuals near the middle of the curve
disruptive selection
stabilizing selection
directional selection
bottleneck effect
genetic drift
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