Home
Class 12
BIOLOGY
[A]: When RH positive male marries RH ne...

[A]: When RH positive male marries RH negative woman the situation can be serious.
[R]: Genes linked to homologous part of X and Y chromosome behaves as autosomal genes.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • Fungi

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|27 Videos

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-A|34 Videos

Similar Questions

Explore conceptually related problems

[A]: Genes confined to differential region of homologous chromosomes are called holandric genes. [R]: Genes confined to homologous region of Y chromosomes only are called Holandric genes.

[A]: The sex linked genes are passed on to the grandson through the daughter. [R]: The Y chromosome of the grandson is received from the maternal grandfather

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 1. segregation in the expected 9:3:3:1 ratio 2. segregation in 3:1 ratio 3. higher number of parental types 4. higher number of the recombinant types

TRUEMAN BIOLOGY-Genetics-ASSERTION AND REASON
  1. [A]: The base ratio (A+T )/(G+C) is constant in a particular organism....

    Text Solution

    |

  2. [A]: Drosophila is commonly used in the study of genetics. [R]: Becaus...

    Text Solution

    |

  3. [A]: When RH positive male marries RH negative woman the situation can...

    Text Solution

    |

  4. [A]: Hershey and Chase experiment showed that protein is the genetic m...

    Text Solution

    |

  5. [A]: The DNA fingerprinting relies on recombinant DNA technology and c...

    Text Solution

    |

  6. [A]: Chromatid is one of a pair of replicated chromosomes found during...

    Text Solution

    |

  7. [A]: For a recipient to receive blood from a donor, the recipient's pl...

    Text Solution

    |

  8. [A]: Lampbrush chromosomes are found in the oocytes of certain animals...

    Text Solution

    |

  9. Assertion (a) : Superumerary chromosomes do not usually have anay eff...

    Text Solution

    |

  10. [A]: The chromosomes of plants are larger than animals. [R]: The ch...

    Text Solution

    |

  11. [A]: Metacentric chromosomes are V- shaped. [R]: In these chromosom...

    Text Solution

    |

  12. [A]: Chromosomes are divided into heterochromatin and euchromatin part...

    Text Solution

    |

  13. [A]: Triplet code is a degenerate one. [R]: Explanation for degener...

    Text Solution

    |

  14. Assertion : Identical twins are produced during two births , resulti...

    Text Solution

    |

  15. [A]: Genetic engineering is the use of tech- nology to alter the genom...

    Text Solution

    |

  16. [A]: Polymerase chain reaction (PCR) followed by DNA probe is used dur...

    Text Solution

    |

  17. [A]: The preparation of recombinant DNA re- quires restriction enzymes...

    Text Solution

    |

  18. [A]: Plasmids are small accessory rings of DNA found in some bacteria ...

    Text Solution

    |

  19. [A]: Proteins are polymers of amino acids. [R]: Nucleic acids are p...

    Text Solution

    |

  20. [A): Prokaryotic cells do not contain repressor protein [R]: They ...

    Text Solution

    |