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?

<p>q^2 (B)</p> Signup and view all the answers

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

<p>Simple tandem repeat polymorphism (STRP) (B)</p> Signup and view all the answers

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

<p>They remain constant over time under certain conditions. (D)</p> Signup and view all the answers

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

<p>p^2 (B)</p> Signup and view all the answers

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

<p>It refers to the proportion of alleles in a population. (D)</p> Signup and view all the answers

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

<p>The proportion of individuals with a specific genotype in a population. (D)</p> Signup and view all the answers

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

<p>It helps maintain constant allelic frequencies over time. (B)</p> Signup and view all the answers

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

<p>To investigate mechanisms responsible for changes in allelic frequencies. (A)</p> Signup and view all the answers

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

<p>A small group of organisms living in the same geographical area. (C)</p> Signup and view all the answers

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