Hardy Weinberg's Principle

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Hardy Weinberg's Principle: Overview

This topic covers concepts, such as Hardy-Weinberg Principle, Gene Pool, Stabilising Selection, Directional Selection, Disruptive Selection, Speciation, Genetic Drift, Founder Effect, and Natural Selection.

Important Questions on Hardy Weinberg's Principle

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The theory of Natural selection that explains the appearance of new forms of life on earth was given by.

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If the high altitude birds become rare or extinct, the plants which may disappear along with them are

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Gene pool is referred to

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In a large, randomly mating population, only one person in 10,000 is an albino. What will be the frequency of a carrier person of albinism?

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Identify the type of natural selection in which more individuals acquire mean character value.

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If the gene frequency occurs by chance it is termed as:

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The pattern of natural selection that converts a unimodal distribution of a given phenotype into a bimodal is:

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In a diploid population at Hardy-Weinberg equilibrium, consider a locus with two alleles. The frequencies of these two alleles are denoted by p and q, respectively. Heterozygosity in this population is maximum at:

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Which of the following statement is true about the founder effect?

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Natural selection operates on the _____ of an individual organism.

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The bill sizes in a bird species of seed crackers from West Africa shows a bimodal distribution. Their most abundant food sources are two types of marsh plants that produce hard and soft seeds, consumed preferentially by the large and small billed birds, respectively. This bimodal distribution of bill sizes is a likely consequence of

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In a population, NAA and Naa are the numbers of homozygous individuals of allele 'A' and 'a', respectively and NAa is the number of heterozygous individuals. Which one of the following options is the allele frequency of 'A' and 'a' in a population with NAA=90, NAa=40 and Naa=70?

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Assertion (A) : Geographical isolation brings about the sympatric speciation

Reason (R): If one species diverges to become two or more species, it is called cladogenesis

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Study the following statements and identify the incorrect statement regarding genetic drift

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In a population of 1000 individuals, 28% are homozygous dominant, 48% are heterozygous dominant, and the remaining are recessive. Find out the dominant allelic frequency.

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Which of the following schematic diagram best explains showing phenotypic distribution explains the "directional selection" due to natural selection:

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If a gene has four alleles, number of expected genotypes is

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In Hardy Weinberg population 2 pq represents:

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The struggle between organisms of different species is called

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The sum total of genes present in all individuals of interbreeding or Mendelian population is called _____.