Home
Class 12
BIOLOGY
In mice, black coat colour (allele B) is...

In mice, black coat colour (allele B) is dominant to brown coat colour (allele b). The offspring of a cross between a black mouse (BB) and a brown mouse (bb) were allowed to interbreed. What percentage of the progeny would have black coats ?

A

`25%`

B

`50%`

C

`75%`

D

`100%`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA NEET TEST 80

    NTA MOCK TESTS|Exercise BIOLOGY|90 Videos

  • NTA NEET TEST 85

    NTA MOCK TESTS|Exercise BIOLOGY|90 Videos

Similar Questions

Explore conceptually related problems

Assume that in mice, B = black fur, b = brown fur . If a heterozygous black mouse mates with a homozygous brown mouse, what per cent of teir offspring will have balcek fur?

In raccoons, a dark face mask in dominant over a bleached face mask. Several crosses were made between raccoons that were heterozygous for dark face mask and that were homozygous for bleached face mask. What percentage of the offspring would be expected to have a dark face mask?

The gene for yellow seed coat in peas is dominant to its allele,green .What offspring phenotype ratio would be expected from a cross between a pea plant known to be heterozygous for coat colour?

In rabbit black skin (B) is dominant over brown skin (b) and short hair (S) is dominant over long hair (s). If homozygous black-short haired male is ceossed with a homozygous brown-long haired female. All F_(1)- offspring are heterozygous black-short haired. F_(1) male crossed with F_(1) female. In F_(2) generation what is the percentage of homozyhous black-short haired offspring :-

There is a plant, in which genes for black or white flower colour do not show complete dominance or recessiveness. If a plant carrying only black flower colour genes is crossed with a plant with only white flower colour genes, all the offsprings have grey flowere. If two of these grey flowered plants were crossed, the theoretical progeny ratio would be

NTA MOCK TESTS-NTA NEET TEST 81-BIOLOGY
  1. What will happen if decomposers are completely remove from the ecosyst...

    Text Solution

    |

  2. While analyzing the DNA of an organism, it was found that adenine prop...

    Text Solution

    |

  3. In mice, black coat colour (allele B) is dominant to brown coat colour...

    Text Solution

    |

  4. In a mature 7-celled or 8-nucleate embryo sac, the ploidy level of sec...

    Text Solution

    |

  5. A typical monocotyledonous root is characterised by

    Text Solution

    |

  6. Match column-I with column-II and select the CORRECT option from the c...

    Text Solution

    |

  7. The ovary is said to be hypogenous in the flowers of

    Text Solution

    |

  8. In moss , sporophyte is formed on

    Text Solution

    |

  9. Which of the following correctly describes probiotics ?

    Text Solution

    |

  10. Archesporium refers to:

    Text Solution

    |

  11. Deficiency of which of the following elements leads to discoloration o...

    Text Solution

    |

  12. Read the following statements (A-D) carefully . A. Causes the 25% l...

    Text Solution

    |

  13. Which of the following is not a consequence of using ethephon ?

    Text Solution

    |

  14. Choose the incorrect statement about osmosis from the following.

    Text Solution

    |

  15. Which one of the following pair is incorrectly matched in respect to t...

    Text Solution

    |

  16. Which of the following tissue systems constitutes bulk of the plant bo...

    Text Solution

    |

  17. Eukaryotic, achlorophyllous and heterotrophic organisms are grouped un...

    Text Solution

    |

  18. The following diagram represent the types of aestivation in corolla in...

    Text Solution

    |

  19. What is the quantum yield of photosynthesis

    Text Solution

    |

  20. Fill in the blanks: 1. Spraying sugarcane crop with ....a.... increa...

    Text Solution

    |