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Questions
State Hardy Weinberg's principle.
State the following:
Hardy Weinberg’s principle
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Solution
It states that the genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.
RELATED QUESTIONS
State Hardy-Weinberg’s principle.
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.
Which type of selection explains industrial melanism observed in moth, Biston bitularia?
List any two factors that can disturb the genetic equilibrium.
Write Hardy Weinberg's equation.
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 homozygous dominant fruit flies.
The black colour on the beak of finches dominates over the yellow colour. There are 210 individuals with the genotype DD, 245 individuals with the genotype Dd and 45 individuals with the genotype dd. Deduce the frequency of individuals with dominant, heterozygous, and recessive traits.
What is the bottleneck effect in population genetics?
Why are alleles present in homozygous recessive organisms exposed to environmental selection?
