What is a rational number between 10.2 and 10.3

Assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, b and b: bb = 30, bb = 10, and bb = 10. calculate the frequencies of the two alleles in the population’s gene pool.

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If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then