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Results 1 - 10 of 669 for Y chromosome
  1. Y chromosome infertility 
    Y chromosome infertility is a condition that affects the production of sperm and causes male infertility, which means ...
    https://medlineplus.gov/genetics/condition/y-chromosome-infertility - Genetics
  2. Y chromosome 
    The Y chromosome is one of the two sex chromosomes in humans (the other is the X chromosome). The sex ... pairs of human chromosomes in each cell. The Y chromosome spans more than 59 million building blocks of ...
    https://medlineplus.gov/genetics/chromosome/y - Genetics
  3. 47,XYY syndrome 
    ... is characterized by an extra copy of the Y chromosome in each of an individual's cells. Although ... and males have one X chromosome and one Y chromosome (46,XY) in each cell.47,XYY syndrome ...
    https://medlineplus.gov/genetics/condition/47xyy-syndrome - Genetics
  4. What is genetic ancestry testing?: MedlinePlus Genetics 
    ... are commonly used for genealogy: Variations in the Y chromosome can be used to explore ancestry in the direct male line. Only individuals with a Y chromosome (typically males) can have this type of testing ...
    https://medlineplus.gov/.../dtcgenetictesting/ancestrytesting - Genetics
  5. X chromosome 
    ... sex chromosomes in humans (the other is the Y chromosome). The sex chromosomes form one of the 23 ... while males typically have one X and one Y chromosome. Early in the embryonic development of people with ...
    https://medlineplus.gov/genetics/chromosome/x - Genetics
  6. Danon disease 
    ... about 15 years earlier in individuals with a Y chromosome (typical for males) than in individuals with two X chromosomes (typical for females). People with a Y chromosome first experience health problems in childhood or adolescence; ...
    https://medlineplus.gov/genetics/condition/danon-disease - Genetics
  7. Klinefelter syndrome 
    ... of sex chromosomes (the X chromosome and the Y chromosome). Klinefelter syndrome is a sex chromosome disorder in ... and males typically have one X and one Y chromosome (46,XY). Most often, people with Klinefelter syndrome ...
    https://medlineplus.gov/genetics/condition/klinefelter-syndrome - Genetics
  8. 46,XX testicular difference of sex development 
    ... males usually have one X chromosome and one Y chromosome (46,XY).The SRY gene, normally located on the Y chromosome, provides instructions for making the sex-determining region ...
    https://medlineplus.gov/...-testicular-difference-of-sex-development - Genetics
  9. 48,XXYY syndrome 
    ... and males have one X chromosome and one Y chromosome (46,XY). 48,XXYY syndrome results from the ... genes are found only on the X or Y chromosome, but genes in areas known as the pseudoautosomal ...
    https://medlineplus.gov/genetics/condition/48xxyy-syndrome - Genetics
  10. SRY gene 
    ... men typically have one X chromosome and one Y chromosome (46,XY karyotype).The SRY gene is found on the Y chromosome. The sex-determining region Y protein produced from ...
    https://medlineplus.gov/genetics/gene/sry - Genetics
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