Chromosomes

... and later insert that vector into dividing cells of another organism? Theoretically, it's the retroviral cDNA that inserts itself into the host chromosomes, so maybe this would work?

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Since man has only one X chromosome, she must have one X defective and one X normal (from mother). In 30% of cell divisions the chromosomes recombine and form two defective X chromosomes (each for other disease, but they ask for normal kid, so any of these chromosomes will be ruled out). ...

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Hello, I mean how a gene after injected to a nucleus can detect where to insert itself. Example : human have 23 chromosomes, i want to replace the gene ABC at the position XYZ of the 1st chromosomes with a new gene so it can production for new protein instead of old protein. After ...

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... consists of two strands. When the DNA is coiled, the two strands are referred to as sister chromatids. The sister chromatids are what make chromosomes X-shaped. However, a chromosome with only one chromatid will be just a line, not an X. The sister chromatids are what separate during mitosis. ...

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The difference is not on the S phase. The differences are the meiosis is the reduction of chromosomes number compared parent cell. In Meiosis Prophase I is different from Prophase in mitosis where there is crossing over occur. In Metaphase I, the homologous chromosomes ...

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