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Describe the Hardy-Weinberg principle...

Describe the Hardy-Weinberg principle

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The allele frequency in a population are stable and constant from generation to generation.
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(a ) Write the Hardy-Weinberg principle. (b) Explain the three different ways in which natural selection can affect the frequency of a heritable trait in a population shown in the graph given below.

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Knowledge Check

  • Hardy-Weinberg principal is the

    A
    genetic structure of a non-evolving population
    B
    genetic structure of an evolving population
    C
    Phenotypic structure of an evolving population
    D
    Phenotypic structure of a non-evolving population

  • Hardy-Weinberg principle explains :

    A
    genetic equilibrium
    B
    non-random mating
    C
    evolutionary force
    D
    all of these

  • Choose the WRONG statement regarding the Hardy - Weinberg principle.

    A
    The sum total of all the allelic frequencies in a population is 1.
    B
    Variation due to genetic drift results in a changed frequency of genes and alleles in future generations.
    C
    Natural selection can lead to stabilization, directional change , or disruption.
    D
    Genetic recombination helps in maintaining the Hardy - Weinberg equilibrium.

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    According to the Hardy-Weinberg principle, the allele frequency of a population remains costant. How do you interpret the change of frequency of alleles in a population ?

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    According to Hardy-Weinberg's principle, if allele one is denoted as 'A' and allele two as 'a' and their frequencies are denoted by p and q, and if random mating occurs. The frequency of heterozygous individual would be :

    Hardy-weinberg Principle says that.

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