Home
Class 12
BIOLOGY
Variation in gene frequencies within pop...

Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as

A

Genetic flow

B

Genetic drift

C

Random mating

D

Genetic load

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MECHANISM OF EVOLUTION

    ARIHANT NEET|Exercise Chapter Exercises (B) Medical entrances special format questions (Assertion and Reason )|13 Videos

  • HUMAN REPRODUCTION

    ARIHANT NEET|Exercise MEDICAL ENTRANCES GALLERY (COLLECTION OF QUESTIONS ASKED IN NEET & VARIOUS MEDICAL ENTRANCE EXAMS)|69 Videos

  • MENDELIAN BASIS OF INHERITANCE

    ARIHANT NEET|Exercise Chapter Exercise C Medical entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)|84 Videos

Similar Questions

Explore conceptually related problems

If change in gene frequencies in a population occurs by chance, than it is called as:

Occurence of more than one embryo in a seed is referred to as :-

The change of frequency of alleles in a population by chance is called :

If medium sized normal individual are fovorued by natural selection is referred as

Gene therapy can be referred to as

Random non-directional change in allele frequencies that occurs by chance in all populations and especially in small populations is known as:

ARIHANT NEET-MECHANISM OF EVOLUTION-Chapter Exercises (C ) Medical entrances gallary (Collection of Questions Asked in NEET & Various Medical Entrance Exams )
  1. Which mechanism of evolution affects the genetic make-up in a populati...

    Text Solution

    |

  2. In population of 1000 individuals 360 belongs to aa. Based on this dat...

    Text Solution

    |

  3. Which of the following is the first step in allopatric speciation ?

    Text Solution

    |

  4. Variation in gene frequencies within populations can occur by chance r...

    Text Solution

    |

  5. The tendency of population to remain in genetic equilibrium may be dis...

    Text Solution

    |

  6. Which of the following species are restricted to an area??

    Text Solution

    |

  7. Population are said to be allopathic when

    Text Solution

    |

  8. Biological concept of species is mainly based on

    Text Solution

    |

  9. The process by which organisms with different evolutionary history evo...

    Text Solution

    |

  10. Species is a

    Text Solution

    |

  11. Read the following statements and select the correct option A. Incre...

    Text Solution

    |

  12. Related species which are reproductively isolated but morphologically ...

    Text Solution

    |

  13. Single step large mutation leading to speciation is also called

    Text Solution

    |

  14. In the case of peppered moth (Biston betularia) the black-coloured fro...

    Text Solution

    |

  15. Hardy-Weinberg equilibrium is known to be affected by gene flow, genet...

    Text Solution

    |

  16. Change of frequency of alleles in a population results in evolution is...

    Text Solution

    |

  17. Which of the following defines Hardy-Weinberg's law?

    Text Solution

    |

  18. Industrial melanism as observed in peppered moth proves that the

    Text Solution

    |

  19. The most likely reason for the development of resistance against pesti...

    Text Solution

    |

  20. In a Mendelian population, the sum total of genes of all the individua...

    Text Solution

    |