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Name the law that states that the sum of...

Name the law that states that the sum of allelic frequencies in a population remains constant. What are the five factors that influence these values?

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Hardy-Weinberg Principle Gene migration, genetic drift, mutations, recombination and natural selection. Law : Hardy-Weinberg Principle Five factors: (a) Gene migration (b) Genetic drift (c) Mutations (d) Recombination (e) Natural
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What is Population density? Write the factors that influence population density.

According to Hardy-Weinberg's principle, the allele frequency of a population remains constant. How do you interpret the change of frequency of alleles in a population?

Read the following statements and choose the correct option A. Increase in melanized moths after industrialization in Great Britain is a proof for natrual selection B. When more individuals of a population acquire a mean character value, it is called disruption C. Changes in allelic frequency in a population will lead to Hardly Weinberg equilibrium D. Genetic drift changes the existing gene ot allelic frequency in future generations

Let the resistance of an electrical component remains constant while the potential difference across the two ends of the components decreases to half of its former value. What change will occur in the current through it ?

Let the resistance of an electrical component remain constant while the potential difference across the two ends of the component decreases to half of its former value. What change will occur in the current through it?

[A]: According to Hardy-Weinburg law both gene frequencies and genotype frequencies will remain constant from generation to gen- eration in an infinitely large interbreeding population. [R]: Alleles segregating in a population tend to establish an equilibrium with reference to each other, thus maintain both frequencies constant.

The ability of certain people to taste the chemical phenylthiocarbamide (PTC) is governed by a dominant allele T, and the inability to taste PTC by its recessive allele t. If 24% of a population is homozygous taster and 40% is heterozygous taster, what is the frequency of t?

A series LCR circuit with L = 0.12 H, C = 480 nF, R = 23 Omega is connected to a 230 V variable frequency supply. (a) What is the source frequency for which current amplitude is maximum. Obtain this maximum value. (b) What is the source frequency for which average power absorbed by the circuit is maximum. Obtain the value of this maximum power. (c) For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? What is the current amplitude at these frequencies? (d) What is the Q-factor of the given circuit?

OSWAAL PUBLICATION-EVOLUTION-TOPIC :2 EVOLUIONARY THEORIES .ITS MECHANISM AND EVOLUTION OF MAN( SHORT ANSWER TYPE TYPE QUESTIONS-I)
  1. What is founder effect?

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  2. While creation and presence of variation is directionless, natural sel...

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  3. Gene flow occurs through generations can occur across language barrier...

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  4. Enumerate two most characteristic criteria for designating a Mendelian...

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  5. Migration may enhance or blurr the effects of selection. Comment.

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  6. Name the law that states that the sum of allelic frequencies in a popu...

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  7. Differentiate between Homo habilis and Homo erectus.

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  8. Define the terms : a) Gene Flow b) Genetic drift.

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  9. Explain the origin of simple organic compounds on the primitive earth.

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  10. Explain the following two components of Darwin's theory of natural sel...

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  11. Explain the following two components of Darwin's theory of natural sel...

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  12. How does Darwin's theory of natural selection explain the appearance o...

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  13. Write four important resemblances between apes and humans.

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  14. Name the fossil modern man and living modern man. How do they differ i...

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  15. Name the main stages in human evolution in order of their appearance.

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  16. What advantages man got over other primates by having erect posture an...

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  17. Name the curvatures in the human spine. Give their advantage.

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  18. Describe the Lamarck's theory of evolution.

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  19. Name various factors which affect hardy-Weinberg equilibrium.

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