XYY syndrome, also known as Jacobs syndrome, is an aneuploid genetic condition in which a male has an extra Y chromosome. [1] . There are usually few symptoms. [2] . These may include being taller than average and an increased risk of learning disabilities. [1][2] The person is generally otherwise normal, including typical rates of fertility. [1]

2012年10月3日 · XYY syndrome is a rare chromosomal disorder caused by the presence of an extra Y chromosome. Normally, males have 46 chromosomes including one X and one Y chromosome. Males with XYY syndrome have 47 chromosomes, two of which are Y chromosomes. Most cases of XYY syndrome are due to a …

XYY综合征是一種人類 男性的性染色體 疾病，正常的男性性染色體是XY，而XYY三體者多出一條Y染色體，所以又稱「超雄综合征」（super-male syndrome）。 XYY综合征在男性新生 嬰兒 中的发生率大约1/1000 [ 1 ] 。

XYY syndrome is a genetic condition found in males only. About 1 in 1,000 boys have it. Boys with XYY syndrome — also known as 47,XYY — might be taller than other boys. Other symptoms can include problems with spoken language and processing spoken words, coordination problems, weaker muscles, hand tremors, and behavioral problems.

2017年6月7日 · XYY syndrome is a genetic condition that occurs when a male has an extra copy of the Y chromosome in each of their cells (XYY). Sometimes, this mutation is only present in some cells.

2025年2月4日 · XYY syndrome, also known as Jacobs syndrome, is a chromosomal disorder characterized by the presence of an extra Y chromosome (47, XYY). Typically, genetic males have one X and one Y chromosome, but individuals …

2023年4月21日 · XYY syndrome occurs when a male is born with two Y chromosomes rather than one, as usual. Some people born with the condition have physical characteristics and behavioral symptoms, while others do not. Men and boys with XYY syndrome are often taller than average, and may have a curved pinky finger, low muscle tone, or flat feet.

XYY syndrome is caused by the presence of an extra copy of the Y chromosome in each of a male’s cells. As a result of the extra Y chromosome, each cell has a total of 47 chromosomes instead of the usual 46, resulting in 47XYY. Some males with XYY syndrome have an extra Y chromosome in only some of their cells.

XYY 男性综合征患者比正常男性多一条 Y 染色体，更容易表现出身材高大、性格暴躁易怒、攻击性强的雄性特征，XYY 男性综合征也被称为「超雄综合征」。 XYY 男性综合征发生率高吗？ XYY 男性综合征发生率不高，在活产婴儿中约为 0.1% [1,2]。 XYY 男性综合征会传染 / 遗传吗？ XYY 男性综合征不会传染。 大多数 XYY 男性综合征不会遗传 [3]。 如果一对夫妻的孩子患有 XYY 男性综合征，那么这对夫妻或家庭成员再生育患有该病的孩子的可能性并不会增加 [4]。 XYY 男性 …

What Is XYY Syndrome? XYY syndrome is a genetic condition found in males only. About 1 in 1,000 boys have it. Boys with XYY syndrome — also known as 47,XYY — might be taller than other boys.