Home
Class 12
BIOLOGY
(a) State Hardy Weinberg principle. Name...

(a) State Hardy Weinberg principle. Name any two factors which affect it.
(b) Draw a graph to show that natural selection leads to directional change.

Text Solution

Verified by Experts

(a) Allele frequencies in a population are stable and constant from generation to generation Gene flow, genetic drift, mutation, genetic recombination, natural selection.
Promotional Banner

Topper's Solved these Questions

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-D|25 Videos

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-A|34 Videos

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-A|34 Videos

  • Genetics

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|123 Videos

  • HUMAN HEALTH AND DISEASE

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|210 Videos

Similar Questions

Explore conceptually related problems

State the Hardy Weinberg principle and mention the conditions on which the principle depends.

(a ) Write the Hardy-Weinberg principle. (b) Explain the three different ways in which natural selection can affect the frequency of a heritable trait in a population shown in the graph given below.

"A population has been exhibiting genetic equilibrium". Answer the following with regard to the above statement. (i) Explain the above statement. (ii) Name the underlying principle. (iii) List any two factors which would upset the genetic equilibrium of the population. (iv) Take up any one such factor and explain how the gene pool will change due to that factor

Name two metals which are available in the free state in nature.

Read the following statements amd select the correct option .A . increase in the melanised moths after industrialisation in Great Britain is proof of natural selection. B. When more individuals of a population acquire a mean character value ,it is called disrupation . C . Changes in allelic frequencey in a population will lead to Harry -Weingberg equilibrium. D. Genetic drift changes the existing gene allelic frequency in future generations.

Examine the illustration of a portion of the deffective crystal and answer the following question : (a) What are these type of vacancy defects called ? (b) How is the density of a crystal affected by these defects ? (c) Name one ionic compound which can show this type of defect in the crystalline state. (d) How is the stoichiometry of the compound affected ?

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

TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-C
  1. Study the given pedigree chart showing the pattern of blood group inhe...

    Text Solution

    |

  2. a) Construct a complete transcription unit with promoter and terminato...

    Text Solution

    |

  3. What is the genetic basis for proof that codon is a triplet?

    Text Solution

    |

  4. Comment on the utility of variability in number of tandem repeats duri...

    Text Solution

    |

  5. Describe the structure of an RNA polynucleotide chain having four diff...

    Text Solution

    |

  6. Why are human females rarely haemophilic? Explain. How do haemophilic ...

    Text Solution

    |

  7. In a maternity clinic, for some reasons the authorities are not able t...

    Text Solution

    |

  8. a) Explain DNA polymorphism as the basis of genetic mapping of human g...

    Text Solution

    |

  9. Explain codominance taking an example of human blood groups in the pop...

    Text Solution

    |

  10. (a) State Hardy Weinberg principle. Name any two factors which affect ...

    Text Solution

    |

  11. "A population has been exhibiting genetic equilibrium". Answer the fo...

    Text Solution

    |

  12. In the 1950s, there were hardly any mosquitoes Delhi. The use of the p...

    Text Solution

    |

  13. Discovery of Lobefins is considered very significant by evolutionary b...

    Text Solution

    |

  14. Study the figure and answer the following (a)Write your observati...

    Text Solution

    |

  15. (a)Rearrange the following in an ascending order of evolutionary tree:...

    Text Solution

    |

  16. (a) What is adaptive radiation. (b) Explain with the help of suitab...

    Text Solution

    |

  17. Study the figures below and answer the following : (a)Mention the sp...

    Text Solution

    |

  18. Branching descent and natural selection are the two key concepts of Da...

    Text Solution

    |

  19. With the help of any two suitable examples explain the effect of anthr...

    Text Solution

    |

  20. Explain the increases in the numbers of melanic(dark winged) moths in ...

    Text Solution

    |