In a typical Mendelian population, individuals carrying gene ‘a’ in homozygous condition suffer from phenylketonurea. Those with A in homozygous condition are normal. Others, who are heterozygotic with Aa, are carriers. If the frequency of ‘a’ in a population is 0.20, what is the percentage of normal individual in the population?

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#Question id: 10611

#Section 2: Evolution

If the net reproductive rate (R0) is equal to 0.5, what assumptions can we make about the population?

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#Question id: 4632

#Section 2: Evolution

Which of these conditions should completely prevent the occurrence of natural selection in a population over time?

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#Question id: 12147

#Section 2: Evolution

Climax forests

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#Question id: 11767

#Section 1: Ecology

If a population has a stable age distribution, which of the following statements is true?

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#Question id: 10736

#Section 1: Ecology

Ecotones are: