(C) The diploid number of chromosomes $(2n)$ is $8$. During meiosis-$I$,the homologous chromosomes separate,reducing the chromosome number to half $(n

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(C) The diploid number of chromosomes $(2n)$ is $8$. During meiosis-$I$,the homologous chromosomes separate,reducing the chromosome number to half $(n = 4)$. However,each chromosome still consists of two sister chromatids held together at the centromere. Therefore,the number of chromatids in each daughter cell at the end of meiosis-$I$ is $4 \times 2 = 8$.

Class 11 Biology Cell Cycle and Cell Division Meiosis

Medium

In an organism,if the normal diploid number of chromosomes is $8$,how many chromatids are present in each daughter cell at the end of meiosis-$I$?

A
$2$
B
$4$
C
$8$
D
$16$

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Class 11 Questions

Class 11

Biology Questions

Chapter

Cell Cycle and Cell Division

Subtopic

Meiosis

Synapsis occurs between

AIPMT 2009

View Solution

Which stage of meiosis involves the separation of the centromere?

MediumAIIMS 2013

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Match the following columns $I$ and $II$ correctly:

Column $I$ Column $II$

$A$. Leptotene $i$. Nucleolus disappears

$B$. Zygotene $ii$. Formation of recombination nodules

$C$. Pachytene $iii$. Development of synapsis

$D$. Diplotene $iv$. Chromosomes appear as thread-like structures

$E$. Diakinesis $v$. Gene exchange occurs via chiasmata

Column $I$	Column $II$
$A$. Leptotene	$i$. Nucleolus disappears
$B$. Zygotene	$ii$. Formation of recombination nodules
$C$. Pachytene	$iii$. Development of synapsis
$D$. Diplotene	$iv$. Chromosomes appear as thread-like structures
$E$. Diakinesis	$v$. Gene exchange occurs via chiasmata