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Practice question

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Question

In a population of 1000 wild dogs in a grassland, 360 and 480 dogs had black body colour with genotypes BB and Bb, respectively. In the same population, remaining dogs were white in colour with a genotype of bb. Based on this data, the frequency of allele “b” in the population is ______ (round off to one decimal place). (NAT)

Explanation

Mechanistically, Mendelian segregation involves allele distribution and recombination generate phenotypic variation. This validates Option NAT because it follows segregation and linkage principles, a pattern repeatedly demonstrated in genetics research. This mechanism is extensively documented and reinforced by experimental data across multiple model systems and textbook discussions.

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