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A : Crossing over is exchange of genetic...

A : Crossing over is exchange of genetic material between non-homologous chromosomes.
R : it produces new linkages.

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)

B

If both Assertion & Reason are true and the reason is not the correct explanation of the assertion , then mark (2)

C

If Assertion is true statement but Reason is false, then mark (3)

D

If both Assertion and Reason are false statements, then mark (4)

Text Solution

Verified by Experts

The correct Answer is:
D
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Crossing over is the exchange of genetic material between ______chromatids of homologous chromosomes.

Exchange of genetic material between non-sister chromatids is ……………..

Knowledge Check

  • Crossing over is the exchange of genetic material between:

    A
    Non-sister chromatids of the homologous chromosomes
    B
    Sister chromatids of the homologous chromosomes
    C
    Chromatids of non-homologous chromosome
    D
    The gene those are completely linked

  • Exchange of genetic material takes place in

    A
    vegetative reproduction
    B
    sexual reproduction
    C
    asexual reproduction
    D
    budding

  • Exchange of segments between nonhomologus chromosomes is

    A
    Translocation
    B
    iInversion
    C
    Crossing over
    D
    Tetrasomy

    • Similar Questions

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    Write true or false for the following. Crossing over is the exchange off genetic material between two non-sister chromatids of homologous chromosome.

    The exchange of genetic material between chromatids and homologous chromosomes occurs during -

    Assertion: Crossing over leads to recombination of genetic material on the two chromosomes. Reason: Crossing over is the exchange of genetic material between two homologous chromosomes.

    The exchange of chromosomal parts between non-homologous chromosomes is known as

    Which one is correct about crossing over/ genetic recombination? I. It occurs in tetrad stage. It occurs in pachytene of prophase I of meiosis I II. It occurs between non-sister chromatids of homologous chromosomes III. It is the exchange of gene.tic material between the homologous chromosomes IV. It is recombinase enzyme mediated process V. Recombination nodule of synaptonemal complex between the homologous chromosomes is the site of crossing over. VI. It causes genetic variation which is important for evolution. VII. It is also the reciprocal transfer of genes between the non homologous chromosomes

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