A- In meiosis,during anaphase I,homologous ch | vedclass

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(C) Assertion $(A)$: In meiosis $I$,during anaphase $I$,the homologous chromosomes separate and move to opposite poles. This statement is correct.Reas

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$A$ is correct and $R$ is incorrect.

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(C) Assertion $(A)$: In meiosis $I$,during anaphase $I$,the homologous chromosomes separate and move to opposite poles. This statement is correct.Reason $(R)$: In anaphase $I$,the homologous chromosomes separate,but the sister chromatids remain attached at the centromere. Therefore,each pole receives a complete set of chromosomes (each consisting of two chromatids),not half the number of chromatids. The reduction in chromosome number occurs,but the number of chromatids per chromosome remains the same as the parent cell at the start of division. Thus,the statement that each pole receives half the number of chromatids is incorrect.Therefore,$A$ is correct and $R$ is incorrect.

$A-$ In meiosis,during anaphase $I$,homologous chromosomes move to the opposite poles.
$R-$ Each pole receives half the number of chromatids in anaphase $I$.

Similar Questions

In Metaphase $II$,each chromosome is:

$A$: In the diplotene sub-stage,the two chromosomes of a homologous pair move away from each other.
$R$: The connection is maintained at the site where crossing over has occurred in homologous chromosomes.

Meiosis can be observed in

Arrange the following stages of meiosis $I$ in the correct sequence:
$(a)$ Crossing over
$(b)$ Synapsis
$(c)$ Terminalization of chiasmata
$(d)$ Disappearance of nucleolus

In meiosis,during which phase does the replication of genetic material occur?

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$A-$ In meiosis,during anaphase $I$,homologous chromosomes move to the opposite poles.$R-$ Each pole receives half the number of chromatids in anaphase $I$.