Population Genetics Concepts

Population Genetics Concepts

Assessment

Interactive Video

Biology, Science

9th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers the Hardy-Weinberg principle, a fundamental concept in population genetics. It begins with an introduction to Hardy-Weinberg and a review of basic genetics, including alleles, genotypes, and phenotypes. The tutorial explains the concept of a gene pool and how allele frequencies can change due to factors like natural selection, mutations, gene flow, genetic drift, and non-random mating. Finally, it discusses the conditions required for Hardy-Weinberg equilibrium, which serves as a baseline to measure evolutionary changes in populations.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an allele?

A genetic mutation

A type of cell

A version of a gene

A type of chromosome

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following describes a phenotype?

The number of chromosomes in a cell

The physical appearance of an organism

The genetic makeup of an organism

The process of genetic mutation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a gene pool?

A collection of all the genes in a single organism

A pool where genes are stored

A group of genes that determine a specific trait

The total set of alleles in a population

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a factor that can change allele frequencies?

Natural selection

Mutations

Gene flow

Random mating

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if there is gene flow in a population?

New alleles are introduced

Mutations are eliminated

Allele frequencies remain constant

Genetic variation decreases

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does non-random mating affect allele frequencies?

It can change allele frequencies

It has no effect

It decreases mutation rates

It increases genetic variation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of studying Hardy-Weinberg equilibrium?

To establish a baseline for evolutionary change

To measure the rate of mutation in a population

To identify dominant and recessive traits

To determine the genetic makeup of an individual

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