
Allele Frequency and Factors
Authored by Ross Macy
Biology
6th Grade
NGSS covered
Used 1+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the four main factors that can affect allele frequency in a population?
temperature, precipitation, wind speed, and humidity
age, gender, ethnicity, and income
education, occupation, marital status, and religion
natural selection, genetic drift, gene flow, and mutation
Tags
NGSS.HS-LS4-2
NGSS.HS-LS4-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does natural selection affect allele frequency?
By randomly selecting alleles for reproduction
By preventing any changes in allele frequency
By causing mutations in the DNA
By favoring certain alleles that provide a reproductive advantage
Tags
NGSS.HS-LS4-4
NGSS.HS-LS4-3
NGSS.HS-LS4-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain how genetic drift can impact allele frequency in a small population.
Genetic drift can impact allele frequency in a small population by causing random changes in the frequency of alleles over time.
Genetic drift always leads to the fixation of beneficial alleles
Genetic drift only impacts large populations
Genetic drift has no impact on allele frequency
Tags
NGSS.HS-LS4-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is gene flow and how does it influence allele frequency?
Gene flow is the transfer of genetic material from one population to another, influencing allele frequency by reducing the overall population size.
Gene flow is the transfer of non-genetic material from one population to another, influencing allele frequency by increasing genetic isolation.
Gene flow is the transfer of genetic material from one population to another, influencing allele frequency by introducing new alleles or changing the frequency of existing alleles.
Gene flow is the transfer of genetic material within the same population, influencing allele frequency by reducing genetic diversity.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Discuss the impact of mutations on allele frequency.
Mutations have no impact on allele frequency
Mutations can introduce new alleles into a population or change the frequency of existing alleles, leading to changes in allele frequency over time.
Mutations only affect the frequency of dominant alleles
Mutations always decrease allele frequency
Tags
NGSS.HS-LS4-2
NGSS.HS-LS3-2
NGSS.HS-LS4-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does non-random mating affect allele frequency?
It has no effect on allele frequency
It can lead to an increase in the frequency of certain alleles and a decrease in others.
It leads to a decrease in the frequency of all alleles
It only affects the frequency of recessive alleles
Tags
NGSS.HS-LS4-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A genetic bottleneck is an extreme example of genetic drift where most of the original population is removed. For example, American Bison were nearly hunted to extinction. Which of the following best describes the effect of a genetic bottleneck
Genetic bottleneck increases genetic diversity and has no effect on allele frequency.
Genetic bottleneck has no impact on genetic diversity and allele frequency.
Genetic bottleneck can reduce genetic diversity and lead to a change in allele frequency.
Genetic bottleneck leads to an increase in allele frequency and genetic diversity.
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