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Population Genetics: Basic Concepts

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Questions and Answers

According to the Hardy-Weinberg Principle, what is the frequency of a heterozygous genotype?

2pq (correct)

q^2

p^2

p + q

How are the genotype frequencies among males determined for X-linked genes?

Frequency of H males = p^2

Frequency of h males = q^2

Frequency of h males = q (correct)

Frequency of H males = p

What type of polymorphisms are used in DNA typing to link individuals with tissue samples?

Highly polymorphic genes (correct)

Rare alleles

Monomorphic alleles

Polymorphisms with low variation

What is the frequency of a recessive disease allele in a population according to the Hardy-Weinberg equation?

q^2 Signup and view all the answers

What type of allelic variation may result from differences in the number of units repeated in tandem?

Simple tandem repeat polymorphism (STRP) Signup and view all the answers

What does the Hardy-Weinberg Principle state about allelic frequencies?

They remain constant over time under certain conditions. Signup and view all the answers

What is the frequency of a homozygous dominant genotype according to the Hardy-Weinberg Principle?

p^2 Signup and view all the answers

What is the significance of the gene pool in population genetics?

It refers to the proportion of alleles in a population. Signup and view all the answers

In the context of population genetics, what do genotype frequencies represent?

The proportion of individuals with a specific genotype in a population. Signup and view all the answers

Why is the absence of migration into a population considered important according to the Hardy-Weinberg Principle?

It helps maintain constant allelic frequencies over time. Signup and view all the answers

What is the primary purpose of analyzing allelic frequencies using the Hardy-Weinberg equation?

To investigate mechanisms responsible for changes in allelic frequencies. Signup and view all the answers

In the context of population genetics, what does the term 'subpopulation' refer to?

A small group of organisms living in the same geographical area. Signup and view all the answers