Q:

If a human skill cell has 46 chromosomes, how many chromosomes will each new skin cell have after mitosis?

A:

Quick Answer

Human skin cells reproduce continuously, and each daughter cell carries a complete set of 46 chromosomes. Nucleated somatic cells, which make up the body and carry a complement of DNA, all have the same number of chromosomes as their parent cells.

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If a human skill cell has 46 chromosomes, how many chromosomes will each new skin cell have after mitosis?
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Full Answer

The cells in the human body only undergo division when their DNA has been fully duplicated. Once the second string of DNA has been assembled, the cell divides into a pair of cells with roughly equal amounts of cytoplasm and organelles. This process leaves the cells of the body with full, identical complements of genes. Only germ-line cells undergo partial separation and carry 23 chromosomes.

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Related Questions

  • Q:

    Why does a cell make a copy of its DNA before mitosis occurs?

    A:

    A cell makes a copy of its DNA before mitosis occurs so there is a set of DNA for the daughter cell after mitosis has occurred. Because each cell needs its own set of DNA, there must be two sets of DNA present in a cell before it divides into two.

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  • Q:

    What happens during prophase?

    A:

    Prophase is one of the first phases of mitosis and it focuses on preparing the spindles, metaphase plate and chromosomes to work in the later phases of the process. Prophase exists in both mitosis and meiosis.

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  • Q:

    What would happen if mitosis skipped metaphase?

    A:

    If mitosis skipped metaphase, the cell would most likely not divide, because the chromosomes must be in the center of the cell in order for anaphase to complete properly. However, it is still possible for the cell to split, but it would leave one daughter cell without chromosomes.

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  • Q:

    How is meiosis II similar to mitosis?

    A:

    According to McGraw-Hill, meiosis II and mitosis are similar because during both processes, sister chromosomes split along the center of the cell. During both meiosis II and mitosis, the sister cells line up down the middle of the cell and the spindle fibers pull them apart. The result is daughter cells that are genetically identical to one another.

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