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Which of the following differences between Lamarckism and Darwinism is incorrect? Lamarckism Darwinism (i) It does not consider struggle for existence. Struggle for existence is very important in this theory. (ii) Only useful variations are transferred to the next generation. All the acquired character are inherited to the next generation. (iii) Neglects survival of fittest. Based on survival of the fittest. (iv) None of these
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Important Questions on Evolution
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Each of us is part of the ongoing evolution of the species. Which of the following occurrences would have the greatest impact on the future biological evolution of the human population?
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Which one of the following scientist’s name is correctly matched with the theory put forth by him?
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Single step large mutation leading to speciation is also called
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Match Column l with Column II and select the correct option from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| Saltation | Darwin | ||
| Formation of life was preceded by chemical evolution | Louis Pasteur | ||
| Reproductive fitness | de Vries | ||
| Life comes from pre-existing life | Oparin and Haldane |
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Match Column I with Column II and select the correct option from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| Wallace | Essay on population | ||
| Malthus | |||
| Hardy-Weinberg law | |||
| Industrial melanism | Co-proposer of Natural selection |
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At a particular locus, frequency of allele is and that of allele is . What would be the frequency of heterozygotes in a random mating population at equilibrium?
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Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift, mutation, genetic recombination and
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The Hardy-Weinberg principle cannot operate if
