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{{Distinguish|3=XYYY Syndrome}}
{{Distinguish|3=XYYY Syndrome}}'''49,XYYYY''' '''syndrome''' is a rare Y chromosomal number [[intersex]] [[CTM]]/[[AMAB|DMAB]] variation in which an individual has three extra Y chromosomes instead of just the usual one. It is estimated to occur in 1 in 1,000,000 AMAB children. Due to the rarity, little is known about this condition.▼
[[File:Xyyyy.png|thumb|The XYYYY Syndrome flag.]]
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Symptoms of this condition includes speech delay, [[Secondary Sex Agenesis|hypotonia (low muscle tone)]], including facial asymmetry, hypertelorism, bilateral low set ‘lop’ ears, a incurved pinky, widely spaced eyes, fusion within the bones of the forearm, and an undersized jaw. Those with the condition also typically fall on the autism spectrum and/or have ADHD.
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== History ==
XYYYY syndrome was first recorded in 1981 in a 14-month-old AMAB
== Flag ==
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