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Name the law that states that the sum of allelic frequencies in a population remains constant. What are the five factors that influence these values? - Biology

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प्रश्न

Name the law that states that the sum of allelic frequencies in a population remains constant. What are the five factors that influence these values?

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उत्तर

Hardy-Weinberg's principle states that the sum of allelic frequencies in a population remains constant. Five factors are known to affect Hardy-Weinberg equilibrium. These are gene migration or gene flow, genetic drift, mutation, genetic recombination and natural selection.

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पाठ 7: Evolution - LONG ANSWER [पृष्ठ ५०]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 7 Evolution
LONG ANSWER | Q 1. | पृष्ठ ५०

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संबंधित प्रश्‍न

With the help of an algebraic equation, how did Hardy-Weinberg explain that in a given population the frequency of occurrence of alleles of a gene is supposed to remain the same through generations?


Differentiate between Directional natural selection and Disruptive natural selection. 


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


Multiple choice question.

In Hardy - Weinberg equation, the frequency of homozygous recessive individual is represented by:


Very short answer question.

State the Hardy – Weinberg equilibrium.


A population will not exist in Hardly Weiberg equilibrium if ____________.


How does Hardy-Weinberg’s expression (p2+2pq+q2=1) explain that genetic equilibrium is maintained in a population? List any four factors that can disturb the genetic equilibrium.


Explain how mutations, natural selection and genetic drift affect Hardy Weinberg equilibrium.


Hardy Weinberg's principle explains ______


The factor that leads to the Founder effect in a population is ______


In a certain population, the frequency of three genotypes is as follows:

Genotypes:  BB  Bb  bb
frequency: 22% 62%  16%

What is the likely frequency of B and b alleles?


State and explain any three factors affecting allele frequency in populations.


At a particular locus, the frequency of allele A is 0.8, and that of allele a is 0.2. What would be the frequency of heterozygotes in a random mating population at equilibrium?


Write Hardy Weinberg's equation.


State Hardy Weinberg's principle.


Give a mathematical expression for Hardy Weinberg's principle.


A population of 200 fruit flies is in Hardy Weinberg equilibrium. The frequency of the allele (a) 0.4. Calculate the following:

The number of carrier fruit flies.


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