Mechanisms of Evolution and Hardy Weinberg

Quiz
•
Biology
•
9th - 10th Grade
•
Hard
+1
Standards-aligned
Charles Martinez
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the frequency of two alleles in a gene pool is 90% A and 10% a, what is the frequency of individuals in the population with the genotype Aa?
0.81
0.09
0.18
0.01
0.198
Tags
NGSS.HS-LS2-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. If a population experiences no migration, is very large, has no mutations, has random mating, and there is no selection, which of the following would you predict?
The population will evolve, but much more slowly than normal.
The makeup of the population's gene pool will remain virtually the same as long as these conditions hold.
The composition of the population's gene pool will change slowly in a predictable manner.
Dominant alleles in the population's gene pool will slowly increase in frequency while recessive alleles will decrease.
The population probably has an equal frequency of A and a alleles.
Tags
NGSS.HS-LS4-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a condition that must be met for Hardy-Weinberg equilibrium?
Large populations
No mutations
No immigration or emigration
Doninant alleles more frequent that recessive alleles
No natural selection
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a population that is in Hardy-Weinberg equilibrium, the frequency of the homozygous recessive genotype is 0.09. What is the frequency of individuals that are homozygous for the dominant allele?
0.7
0.21
0.42
0.49
0.91
Tags
NGSS.HS-LS4-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In humans, Rh-positive individuals have the Rh antigen on their red blood cells, while Rh-negative individuals do not. If the Rh-positive phenotype is produced by a dominant gene (A), and the Rh-negative phenotype is due to its recessive allele (a), what is the frequency of the Rh-positive allele if 84% of a population is Rh-positive?
0.04
0.16
0.48
0.60
0.84
Tags
NGSS.HS-LS3-3
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