Chromosome Pair

... cycle: G-1 S-phase G-2 M-phase (division) Mitosis: Before S-phase, each chromosome consists of one strand of DNA. The DNA is copied during S-phase. ... apart, but there are half as many chromosomes (one from each homologous pair). This one should be easy. This was actually a bit confusing for me. ...

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Thank you! I was getting confused between pairs of chromosomes and pairs of chromatids. I think I have a clearer mental model now: Suppose we have a gene ...

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... process of mitosis occurs when cells are produced for growth and repair. Meiosis occurs when cells are produced for sexual reproduction. Prior ... nuclear membrane breaks down as the DNA organised into what is known as chromosomes. In meiosis the chromosome synapse, this results in the mixing ...

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... can refer to cell division in bacteria. Bacteria replicate their chromosomes prior to division, but I don't think that state can be called ... identical. Diploid organisms can be carrying different alleles on each pair of sister chromosomes, but this is not the case for a duplicated bacterial ...

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... Guarnine ( G ) Chargaffs Rules govern two things. 1 ) Adenine(T) always pairs with Thymine (T) and are in equal amounts Guanine (G) and Cytosine ... 2001 Abstract One of the most striking features of mammalian chromosomes is the variation in G+C content that occurs over scales of hundreds ...

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