Theories of evolution, evidences, Hardy-Weinberg principle, human evolution.
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Q1 · Evolution · EASY
According to the Hardy-Weinberg principle, in a population at equilibrium, if the frequency of a dominant allele (A) is 0.7, what is the frequency of heterozygous individuals (Aa)?
Q2 · Evolution · EASY
Which of the following is considered as the most important evidence supporting the theory of organic evolution?
Q3 · Evolution · MEDIUM
A population of moths has two color forms: light and dark. In an industrial area, pollution darkens tree bark. Over several generations, the frequency of dark moths increases from 10% to 70%. This is an example of:
Q4 · Evolution · MEDIUM
In a population of 10,000 individuals, 9,600 have normal hemoglobin (HbA HbA) and 400 have sickle cell trait (HbA HbS). No individuals with sickle cell disease (HbS HbS) are present. Assuming Hardy-Weinberg equilibrium, what is the frequency of the HbS allele?
Q5 · Evolution · HARD
A population is in Hardy-Weinberg equilibrium with two alleles, B and b, at a locus. The frequency of the bb genotype is 0.16. After one generation of 100% selection against the bb genotype (all bb individuals die before reproduction), what will be the frequency of the b allele in the next generation?