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XXYY syndrome is a sex chromosome anomaly in which males have two extra chromosomes, one X and one Y chromosome. Human cells usually contain two sex chromosomes, one from the mother and one from the father. Usually, females have two X chromosomes (XX) and males have one X and one Y chromosome (XY).
How to identify XXYY Compressed Photos. The XXYY Project connects parents, medical professionals, and service providers to guide males living with XXYY Syndrome through social, physical and emotional challenges.
48,XXYY syndrome results from nondisjunction events of sex chromosomes primarily during spermatogenesis (meiosis I and/or meiosis II) or less often from post-zygotic mitotic nondisjunction during cell division.
XXYY Syndrome is the name attached to the cluster of symptoms that arise as a result of the 48,XXYY chromosome pattern. It affects one in every 17,000 boys.
XXYY syndrome is the result of having extra copies of both the X and Y chromosomes, occurring when a normal female oozyte (X m) is fertilized with an aneuploidy sperm (X p Y p Y p) produced from double nondisjunction during meiosis.
XXYY syndrome is a sex chromosome anomaly in which males have an extra X and Y chromosome. Human cells usually contain two sex chromosomes, one from the mother and one from the father. Usually, females have two X chromosomes and males have one X and one Y chromosome.
48,XXYY syndrome is a chromosomal condition that causes infertility, developmental and behavioral disorders, and other health problems. Explore symptoms, inheritance, genetics of this condition.
