h equations represent the expected relative genotype frequencies under cases of: (1) heterozygous advantage; (II) HW equilibrium; (III) tion against the recessive allele under homozygosis, where p is the frequency of the dominant allele and s is the selection coefficient. (1) p2(1-s): 2pq: q2(1-s): (II) p2(1-s): 2pq(1-s): q2(1-s): (III) p2: 2pq: q2(1-s) (1) p2(1-s): 2pq: q2(1-s): (II) p2: 2pq: q2; (III) p2: 2pq: q2(1 - s) (1) p2: 2pq(1-s): q2; (II) p2: 2pq: q2; (III) p2: 2pq: q2(1-s) (1) p2(1-s): 2pq: q2(1-s); (II) p2: 2pq: q2; (III) p2(1-s): 2pq:q2 (1) p2: 2pq(1-s): q2; (II) p2: 2pq: q2; (III) p2: 2pq: q2(1-s)
Evolutionary Genetics
Evolution is known as continuous changes that occur to adjust organisms in their changing environment over many generations. Various theories have been proposed to illustrate the origin of life and organic evolution. The most accepted one is the theory of natural selection by Charles Darwin. According to his postulate, organisms undergo a struggle for existence due to overproduction. To survive in nature, they acquire variations. The inheritable variations are selected by nature, and it leads to the survival of the fittest.
Phenotype Frequency
The majority of populations have a certain degree of variation in their genetic pools. Scientists can predict the genetic variation happening over time by measuring the amount of genetic variation in a population and these predictions assist them in gaining important insights into the processes that allow organisms to adapt to the environment or to develop into new species over generations. This process is referred to as the process of evolution.
Hardy Weinberg Equilibrium
The frequencies of allele and genotype were maintained constant from one generation to another due to the absence of other evolutionary forces. It is otherwise called the Hardy Weinberg principle the field of population genetics.
Why is the correct option choice B?
Introduction:-
- According to this law of the Hardy Weinberg law the alleles and the genotype frequencies in a population remain constant or same in the absence of the factors that is the responsible for evolution.
∙ It is the states that the sum of all genotype frequencies that can be represented as the binomial expansion of that the square of the sum of p and q.
∙ This is the sum which is equal to one :
(p+q) ^2 = p^2+ 2pq + q^2 = 1
∙ p is the frequency of the dominant allele which is dominated
∙ q which is the frequency of the recessive allele which remain in recessive .
∙ 2pq is the frequency of heterozygotes in the population which represents the both.
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