Home
Class 12
BIOLOGY
(a ) Write the Hardy-Weinberg principle....

(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.

Text Solution

Verified by Experts

Natural selection can lead to Stabilization (more individuals acquire mean character individuals value), Directional change (more acquire a value other than the mean character character value) or Disruption (more individuals acquire peripheral character value at both ends of the distribution curve).
Promotional Banner

Topper's Solved these Questions

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-A|34 Videos

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-C|45 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

(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.

There are 10 different books in a shelf. The number of ways in which three books can be selected so that exactly two of them are consecutive is

Given that n is the odd the number of ways in which three numbers in A.P. can be selected from {1,2,3,4….,n} is

How does the process of natural selection affect Hardy-Weinberg equilibrium? Explain List the other four factors that disturb the equilibrium.

In how many different ways can the first 12 natural numbers be divided into three different groups such that numbers in each group are in A.P.? a. 1 b. 5 c. 6 d. 4

In how many ways, two different natural numbers can be selected, which less than or equal to 100 and differ by at most 10.

For an examination a candidate has to select 7 subjects from 3 different groups A,B,C which contain 4,5,6 subjects respectively in how many different ways can a candidate make his selection if he has to select at least 2 subjects from each group?

There are three stations A, B and C . If five routes for going from station A to station B and four routes for going from station B to station C, than find the number of different ways through which a person can go from A to C via B.

To fill 12 vacancies, there are 25 candidates of which 5 are from scheduled caste. If three of the vacancies are reserved for scheduled caste candidates while the rest are open to all; the number of ways in which the selection can be made is a. ""^5C_3 xx ""^(22)C_9 b. ""^22C_9-""^5C_3 c. ""^22C_3+ ""^5C_3 d. none of these

TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-D
  1. Draw a labelled schematic structure of a transcription unit. Explain t...

    Text Solution

    |

  2. A snapdragon plant homezygous for red flower when crossed with a whit...

    Text Solution

    |

  3. Two blood samples A and B picked up from the crime scene were handed o...

    Text Solution

    |

  4. How did Hershey and Chase proved that DNA is the hereditary material? ...

    Text Solution

    |

  5. With the help of one example each provide genetic explanation for the ...

    Text Solution

    |

  6. (i)How does a chromosomal disorder differ from a Mendelian disorder? ...

    Text Solution

    |

  7. Explain the causes, inheritance pattern and symptoms of any two Mendel...

    Text Solution

    |

  8. (a) Why is haemophilia generally observed in human males? Explain the ...

    Text Solution

    |

  9. (a) State the central dogma in molecular biology. Who proposed it? Is ...

    Text Solution

    |

  10. (a) Write what DNA replication refers to. (b) State the properties ...

    Text Solution

    |

  11. Inheritance patterns of flower colour in garden pea plant and snap dra...

    Text Solution

    |

  12. A child suffering from Thalassemia is born to a normal couple. But the...

    Text Solution

    |

  13. a) Explain the mechanism of sex-determination in humans. b) Differen...

    Text Solution

    |

  14. (a) Explain Mendel's law of independent assortment by taking a suitabl...

    Text Solution

    |

  15. Stanley Miller performed an experiment by recreating in the lab the pr...

    Text Solution

    |

  16. Explain the salient features of Hugo de Vries theory of mutation. How ...

    Text Solution

    |

  17. Fitness is the end result of the ability to adapt and get selected by ...

    Text Solution

    |

  18. The rate of appearance of new forms is linked to the life span of an o...

    Text Solution

    |

  19. (a ) Write the Hardy-Weinberg principle. (b) Explain the three diffe...

    Text Solution

    |

  20. How does the process of natural selection affect Hardy-Weinberg equili...

    Text Solution

    |