Home
Class 12
BIOLOGY
A female rat homozygous for a recessive ...

A female rat homozygous for a recessive X-linked mutation is mated to a male with wild type phenotype. The phonotypes of the F1 progeny will be

A

all wild type

B

50% mutants irrespective of sex

C

all females wild type and all males mutant

D

all males wild type and all females mutant

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • Plant Physiology

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|91 Videos
  • Protista

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|6 Videos

Similar Questions

Explore conceptually related problems

A cross was made between pure breeding pea plant one with round and green seeds and the other with wrinkled and yellow seeds. (i) Write the phenotype of F_(1) progeny. Give reason for your answer. (ii) Write the different types of F_(2) progeny obtained along with their ratio when F_(1) progeny was selfed.

If a true breeding homozygous pea plant with green pod and axial flowers as dominant characters is crossed with a recessive homozygous pea plant with yellow pods and terminal flowers, then what would be the : Genotypes of the two parents Phenotypes and genotypes of the F_1 offspring Phenotypic and genotypes ratio in F_2 population

A cross was carricd out between a pure bred tall pea plant and a pure bred dwarf pea plant and F_(1) progeny was obtained. Later, the F_(1) progeny was selfed to obtain F_(2) progeny. Answer the following questions : (i) What is the phenotype of the F, progeny and why? (ii) Give the phenotypic ratio of the F_(2) progeny. (iii) Why is the F_(2) progeny different from the F_(1) progeny?

A homozygous red eyed female was mated with white eyed male, a daughter from F_(1) generation ws also mated with white-eyed male. Red eye is dominant over white eye and is a sex linked trait. In the progeny from this second mating.

Two genes 'A' and 'B' are linked. In a dihybrid cross involving these two genes, the F_1 heterozygote is crossed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generation ?

A progeny of F_1 is crossed with the homozygous recessive parent. What is this cross called? Work out how is it useful?

A manufacturer considers that men and women workers are equally efficient and so he pays them at the same rate. He has 30 and 17 units of workers male and female and capital respectively, which he uses to produce two types of goods A and B. To produce one unit of A, 2 workers and 3 units of capital are required while 3 workers and 1 unit of capitals required to produce one unit of B. If A and Bare priced at 100 rupeya and 120 rupeya per unit respectively,how should he use his resources to maximize the total revenue ? Form the above as an LPP and solve it graphically .

Using a Punnett Square, workout the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus.

In a random mating population of 1 lac individuals-the frequency of the recessive allele is 0.4. how many individuals will have homozygous genotypes?

During its studies on genes in drosophila that wen sex linked, T.H. Morgan found F, population phenotypic ratio deriated from expected 9:3:3:1. Explain. The conclusion be arrived at.

TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. Natural selection can eliminate a deleterious allele, arising out of m...

    Text Solution

    |

  2. In Mirabilis, red flowered plant crossed with white flowered one resul...

    Text Solution

    |

  3. A female rat homozygous for a recessive X-linked mutation is mated to ...

    Text Solution

    |

  4. Study the pedigree given below and assign the type of inheritance of t...

    Text Solution

    |

  5. Erythroblastosis foetalis is caused when

    Text Solution

    |

  6. In Drosophilia the XXY condition leads to femaleness whereas in human ...

    Text Solution

    |

  7. If Mendel might have studied 7 pairs of characters in a plant with 10 ...

    Text Solution

    |

  8. First child of a normal pigmented couple is albino. The possibility of...

    Text Solution

    |

  9. In a hospital, on the same day-5 children were born to different coupl...

    Text Solution

    |

  10. If a plant with genotype R(1)R(2)R(0)R(0) produces potatoes of 240 gra...

    Text Solution

    |

  11. How many chromosomes would you find in a somatic cell of a female with...

    Text Solution

    |

  12. Slanting eyes, round face, mental retardation, epicanthus (eye folds) ...

    Text Solution

    |

  13. In a random mating population of 1 lac individuals-the frequency of th...

    Text Solution

    |

  14. In a random mating population of 1 lac individuals -75,000 individuals...

    Text Solution

    |

  15. A male human is heterozygous for autosomal genes A and B and is also h...

    Text Solution

    |

  16. Given below is a pedigree chart chowing the inheritance of a certain s...

    Text Solution

    |

  17. In which one of the following combinations (1-4) of the number of chro...

    Text Solution

    |

  18. In humans, red-green colour blindness is recessive and sex-linked, whi...

    Text Solution

    |

  19. A plant with four heterologous pairs of chromosomes having Aa,Bb,Cc,Dd...

    Text Solution

    |

  20. If a plant heterozygous for a trait AaBb (AB/ab) is test crossed to ob...

    Text Solution

    |