Study the given figures and select the correct option regarding them. (a) Two chromatids of each...

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Study the given figures and select the correct option regarding them.
(a) Two chromatids of each chromosome in fig \( X \) are genetically similar.
(b) Centromeres do not split during \( X \) but do so during \( \mathrm{Y} \).
(c) The chromosomes in fig \( X \) are referred to as bivalents or tetrads whereas the chromosomes in fig \( Y \) are known as univalents or dyads.
(d) The DNA content of chromosomes in fig \( X \) is half the DNA content of chromosomes in fig \( Y \).
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