Home
Class 12
BIOLOGY
Two genes R and Y are located very close...

Two genes R and Y are located very close on the chromosomal linkage map of maize plant. When RRYY and rryy genotypes are hybridized the `F_(2)` segregation will show

A

Higher number of the recombinant types

B

segregation is expected in 9: 3:3:1 rate

C

Secgregation in 3:1 ratio

D

Higher number of parental types

Text Solution

Verified by Experts

The correct Answer is:
D

F2- segregation will whow higher number of parental types. When two genes are linked than the recombinantion frequency is less and there is higher number of parental types.
Promotional Banner

Topper's Solved these Questions

  • CHROMOSOMAL BASIS OF INHERITANCE

    ARIHANT NEET|Exercise Chapter Exercise Medical entrances special format questions (Assertion-Reason )|4 Videos
  • CHEMICAL COORDINATION AND INTEGRATION

    ARIHANT NEET|Exercise MEDICAL ENTRANCES S GALLERY|100 Videos
  • DIGESTION AND ABSORPTION

    ARIHANT NEET|Exercise Chapter Exercise Medical entrance s gallery|87 Videos

Similar Questions

Explore conceptually related problems

R and y genes of Maize lie very close to each other . When RRYY and rryy gneotypes are hybridised , F_(2) genertion will show

When two genes are situated very close to one another at a chromosome

When two genes are situated very closed to each other in a chromosome

The genes A,B,C and d are located on the same chromosome in such a way that the distance between A and B is 7 map units, between B an C is 2 map is unit, between C and D is. 4.5 units. What is the distance between A and D? What is the porbability of linkage between B and D and between A and D?

Read the given paragraph to answer In a certain plant, yellow fruit colour (Y) is dominant to green fruit colour (y) and round shape (R) is dominant to oval shape (r). The two genes involved are located on different chromosomes. Which of the following is correct for the condition when plant YyRr is back crossed with the double recessive parent ?

ARIHANT NEET-CHROMOSOMAL BASIS OF INHERITANCE-Chapter Exercise Medical entrances gallery (Collection of questions Asked in NEET and Various medical Entrance Exams)
  1. When a mutation is limited to be the substiution of one nucleotide for...

    Text Solution

    |

  2. In the hexaploid wheat, the haploid (n) and basic (x) numbers of chrom...

    Text Solution

    |

  3. What would happen if in a gene encoding a polypeptide of 50 amino acid...

    Text Solution

    |

  4. Crossing over that results in genetic recombination in higher organism...

    Text Solution

    |

  5. One of the parents of a cross has mutation in mitochondria. In that cr...

    Text Solution

    |

  6. In mutational event, when adenine is replaced by guanine, it is a cas...

    Text Solution

    |

  7. After a mutation at a genetic locus the character of an organism chan...

    Text Solution

    |

  8. Which of the following symbols are used for represeting sex chromosome...

    Text Solution

    |

  9. How many linkage group are there in bacteria E. coli :-

    Text Solution

    |

  10. If the ratio between X- chromosomes and compete set of autosome is 0.5...

    Text Solution

    |

  11. According to genic balance theory, which was given by CB Bridges, the ...

    Text Solution

    |

  12. Genic blance theory of sex determination stated by CB Bridges is relat...

    Text Solution

    |

  13. Which of the following is generally used for induced mutagenesis in cr...

    Text Solution

    |

  14. Chromosome theory of inheritance was proposed by

    Text Solution

    |

  15. Which of the chromosomal formulation is responsible for the expression...

    Text Solution

    |

  16. Which of the following discoveries resulted in a Nobel Prize

    Text Solution

    |

  17. There are three genes a,b,c percentage of crossing over between a and ...

    Text Solution

    |

  18. In Drosophila, the sex is determined by

    Text Solution

    |

  19. Two genes R and Y are located very close on the chromosomal linkage ma...

    Text Solution

    |

  20. Which type of gene regulate sex-determination in Spinach plant

    Text Solution

    |