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Chromosome 21

Chromosome 21

Human chromosome.

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First pulled by Joonathan, Oct 25, 2026

Wikipedia views per dayLast 30 days 2,584

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Readers' pathsAug 2026 – Oct 2026

Readers go next to

Share of the 2,303 clicks on its links

  1. Chromosome

    DNA molecule containing genetic material of a cell.

    26%

  2. Down syndrome

    Genetic disorder.

    15%

  3. Chromosome 22

    Human chromosome.

    13%

  4. Trisomy

    Abnormal presence of three copies of a particular chromosome.

    8.3%

  5. Autosome

    Any chromosome other than a sex chromosome.

    5.6%

  6. Karyotype

    Photographic display of total chromosome complement in a cell.

    5.4%

  7. Human Genome Project

    International scientific research project (1990–2003).

    3.5%

  8. Chromosome 4

    Human chromosome.

    3%

  9. Base pair

    Two nucleobases bound by hydrogen bonds.

    2.9%

  10. Alzheimer's disease

    Progressive neurodegenerative disease.

    2.5%

Readers come from

Share of the 4,792 readers arriving from another article

  1. Down syndrome

    Genetic disorder.

    93%

  2. Chromosome

    DNA molecule containing genetic material of a cell.

    3.4%

  3. Chromosome 22

    Human chromosome.

    1.4%

  4. Chromosome 20

    Human chromosome.

    0.42%

  5. Trisomy

    Abnormal presence of three copies of a particular chromosome.

    0.27%