Bivalent or Tetrad formation is a characteris | vedclass

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(A) During the $Zygotene$ stage of $Meiosis-I$,homologous chromosomes pair up,a process known as $Synapsis$. This pairing is facilitated by the format

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Synaptonemal complex in zygotene stage

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(A) During the $Zygotene$ stage of $Meiosis-I$,homologous chromosomes pair up,a process known as $Synapsis$. This pairing is facilitated by the formation of a $Synaptonemal$ $complex$. The paired homologous chromosomes are called $Bivalents$ or $Tetrads$. Therefore,the formation of $Bivalents$ or $Tetrads$ is a characteristic feature of the $Zygotene$ stage,associated with the $Synaptonemal$ $complex$.

Column-$I$	Column-$II$
$1$. Leptotene	$p$. Homologous chromosomes are separated
$2$. Diakinesis	$q$. Nucleolus reappears
$3$. Pachytene	$r$. Chromosomes can be observed in a microscope
$4$. Anaphase-$I$	$s$. Nucleolus disappears
	$t$. Crossing over

Bivalent or Tetrad formation is a characteristic feature observed during:

Similar Questions

Four chromatids and two centromeres which are homologous occur in

Crossing over is..........

Choose the correct pair.
Column-$I$ Column-$II$
$1$. Leptotene $p$. Homologous chromosomes are separated
$2$. Diakinesis $q$. Nucleolus reappears
$3$. Pachytene $r$. Chromosomes can be observed in a microscope
$4$. Anaphase-$I$ $s$. Nucleolus disappears
$t$. Crossing over

Synapsis occurs during:

In Metaphase $II$,each chromosome is:

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