Xs chat sex web

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(2) Centromere – the point where the two chromatids touch. Most eukaryotic cells have a set of chromosomes (46 in humans) with the genetic material spread among them.

Chromosomal recombination during meiosis and subsequent sexual reproduction plays a significant role in genetic diversity.By inspection through the microscope he counted 24 pairs, which would mean 48 chromosomes.His error was copied by others and it was not until 1956 that the true number, 46, was determined by Indonesia-born cytogeneticist Joe Hin Tjio.Prokaryotic chromosomes have less sequence-based structure than eukaryotes.Bacteria typically have a one-point (the origin of replication) from which replication starts, whereas some archaea contain multiple replication origins.

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