In human diploid cells, there are 23 homologous sets of two chromosomes (=46). Each chromosome is composed of one DNA molecule.
In the replication stage, each chomosome is duplicated into two chromatids (two DNA molecules), but are still attached by the centromere, so there are still 46 chromosomes (or dyads) each containing two sister chromatids. Sister chromatids are generally identical, unless a mutation has occurred.
Later on during the anaphase of either mitosis or meiosis, the sister chromatids separate and become daughter chomosomes (92 total). Thus the stage where 92 chromosomes exist in a single cell occurs only for a short period of time during replication or reproduction.
Doesn't a diploid cell has 46 chromatids and duplicate in to 92 chromotids?
why do people say 46 chromosomes in a deploid cell?
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