专家解答：胚胎细胞有两条Y染色体 超雄综合征是一种染色体病，由于性染色体数目异常所致的综合征，又被称为47，XYY综合征，即男性在正常22对常 ...

A mother says her child with a rare genetic condition is now facing suspension from a Hamilton County elementary school. She ...

This chromosomal variation is called Swyer syndrome, and it’s just one of several sex chromosome karyotypes found in humans. It’s also an example of being intersex, defined as when someone is ...

Asperger's syndrome refers to a high-functioning form of autism. Although it was once classified as its own condition, Asperger’s is no longer an official diagnosis in the Diagnostic and ...

Rett syndrome (RTT) is a rare, severe, and progressive disorder that mostly affects girls of all races. It can impact your child’s ability to speak, walk, eat, or breathe easily. It was named ...

Overcoming imposter syndrome involves changing a person's mindset about their own abilities. Imposters feel like they don’t belong, so acknowledging their expertise and accomplishments is key ...

The 47-Foot motor Lifeboat is designed as a first response rescue resource for the Coast Guard in high seas, surf and heavy weather environments. They are built to withstand the most severe ...

Tourette syndrome is a neurological (nervous system) tic disorder. It causes people to make sudden movements or sounds they can’t control. These are called tics. For example, someone with ...

A mysterious, superhuman assassin teams with a young woman to take down a major corporation plotting to use his genetic makeup to create a race of unstoppable killers.

Scott W. Stuart, MD, MS; Casey H. King, BA; G. Shashidar Pai, MD Such observations emphasize the importance of clarifying the origin of a genetic variation by studying the parents for comparison ...

The third episode of "Survivor" Season 47 on Wednesday was centered on tribe dynamics, from spurned contestants with a vote on their name to over-the-top characters getting on everyone's nerves.