A tetrad consists of | vedclass

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(C) During the $pachytene$ stage of $prophase-I$ of $meiosis$,homologous chromosomes pair up to form a structure known as a $bivalent$ or $tetrad$.Eac

Vedclass · Accepted Answer

Two sets of homologous chromosomes,each with two chromatids

Vedclass · Answer

(C) During the $pachytene$ stage of $prophase-I$ of $meiosis$,homologous chromosomes pair up to form a structure known as a $bivalent$ or $tetrad$.Each $bivalent$ consists of two homologous chromosomes,and since each chromosome has already replicated to form two sister chromatids,the structure contains a total of four chromatids.Therefore,a $tetrad$ is composed of two sets of homologous chromosomes,where each chromosome consists of two chromatids.

Column-$I$	Column-$II$
$(A)$ Pachytene	$(i)$ Pairing of homologous chromosomes
$(B)$ Metaphase-$I$	$(ii)$ Terminalisation of chiasmata
$(C)$ Diakinesis	$(iii)$ Crossing-over takes place
$(D)$ Zygotene	$(iv)$ Chromosomes align at equatorial plate

$A$ tetrad consists of

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