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  2. Chromosome 10 - Wikipedia

    en.wikipedia.org/wiki/Chromosome_10

    Chromosome 10 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. People normally have two copies of this chromosome. Chromosome 10 spans about 134 million base pairs (the building material of DNA ) and represents between 4 and 4.5 percent of the total DNA in cells .

  3. X chromosome - Wikipedia

    en.wikipedia.org/wiki/X_chromosome

    The X chromosome is one of the two sex chromosomes in many organisms, including mammals, and is found in both males and females. It is a part of the XY sex-determination system and XO sex-determination system.

  4. Genealogical DNA test - Wikipedia

    en.wikipedia.org/wiki/Genealogical_DNA_test

    The Y-chromosome is one of the 23rd pair of human chromosomes. Only males have a Y-chromosome, because women have two X chromosomes in their 23rd pair. A man's patrilineal ancestry, or male-line ancestry, can be traced using the DNA on his Y-chromosome (Y-DNA), because the Y-chromosome is transmitted from a father to son nearly unchanged. [ 31 ]

  5. Chromosome - Wikipedia

    en.wikipedia.org/wiki/Chromosome

    This is an accepted version of this page This is the latest accepted revision, reviewed on 23 January 2025. DNA molecule containing genetic material of a cell This article is about the DNA molecule. For the genetic algorithm, see Chromosome (genetic algorithm). Chromosome (10 7 - 10 10 bp) DNA Gene (10 3 - 10 6 bp) Function A chromosome and its packaged long strand of DNA unraveled. The DNA's ...

  6. Sexual differentiation in humans - Wikipedia

    en.wikipedia.org/wiki/Sexual_differentiation_in...

    Most mammals, including humans, have an XY sex-determination system: the Y chromosome carries factors responsible for triggering male development. In the absence of a Y chromosome, the fetus will undergo female development. This is because of the presence of the sex-determining region of the Y chromosome, also known as the SRY gene. [5]

  7. Males lose sex chromosome as they age. It could make ... - AOL

    www.aol.com/news/males-lose-sex-chromosome-age...

    It also illustrates that the Y chromosome does more than determine human biologic sex,” Theodorescu said. Two kids - who are not related - develop insatiable appetite. Doctors find rare cause

  8. XY sex-determination system - Wikipedia

    en.wikipedia.org/wiki/XY_sex-determination_system

    [10] Other species (including most Drosophila species) use the presence of two X chromosomes to determine femaleness: one X chromosome gives putative maleness, but the presence of Y chromosome genes is required for normal male development. In the fruit fly individuals with XY are male and individuals with XX are female; however, individuals ...

  9. Karyotype - Wikipedia

    en.wikipedia.org/wiki/Karyotype

    Chromosomes display a banded pattern when treated with some stains. Bands are alternating light and dark stripes that appear along the lengths of chromosomes. Unique banding patterns are used to identify chromosomes and to diagnose chromosomal aberrations, including chromosome breakage, loss, duplication, translocation or inverted segments.