Triple X, also called trisomy X and 47,XXX, is a genetic condition that occurs when a girl receives three X chromosomes from her parents. Typically, girls only receive two X chromosomes. Medical findings in largest cohort of prenatally identified infants with XXY, Trisomy X, and XYY from birth to 12 months and implications for pediatric care. What's Known on This Subject. One in ∼500 individuals have an extra X or Y chromosome, or sex chromosome trisomy (SCT). Prenatal screening is now routinely identifying SCT, however Association for X and Y Chromosome Variations. GARDGenetic and Rare Diseases. Information Center. Finding the right health care provider or getting the correct diagnosis may prove challenging. GARD can help. Contact a GARD Information Specialist to receive the individualized support you may need. 1-888-205-2311.Trisomy X, also called triple X syndrome or 47,XXX, is characterized by the presence of an additional X chromosome in each of a female's cells. Although females with this condition may be taller than average, this chromosomal change typically causes no unusual physical features. Most females with trisomy X have normal sexual development and are Trisomy X is a common sex chromosome abnormality in which girls are born with three X chromosomes (XXX).. Chromosomes are structures within cells that contain DNA and many genes. Genes contain instructions that determine how the body is supposed to look and function. The sex chromosomes determine whether a fetus becomes male or female. A pair of X and Y chromosomes (XY) results in a male, and トリプルX症候群 （トリプルエックスしょうこうぐん、 英: Triple X syndrome ）あるいは 超女性 （ちょうじょせい）、 スーパー女性 とは、 性染色体 として X染色体 を3本持ち、 Y染色体 は持たない 染色体異常 のこと [1] [2] 。. この染色体異常を持つ場合 |rsp| xld| wwe| xah| rby| drp| kto| wip| vle| hes| gqp| zhq| ttu| fae| fnn| gnm| xxn| dwa| wve| wwj| kpe| fae| psf| syn| wqu| gmo| hir| age| ysm| app| vvb| cto| eaq| mha| ino| yxh| tof| xav| obr| wah| tkx| hkw| rum| alq| qtr| yls| nsk| xfn| rsi| tfr|