xyy
Học thuậtThân thiện
Definition
- Noun:
- (Genetics): An abnormal chromosomal complement in a male, characterized by the presence of an extra Y chromosome, resulting in a 47,XYY karyotype.
Usage
- The term "xyy" is used specifically in the fields of genetics, medicine, and biology to describe a chromosomal condition.
- It functions as a noun, often preceded by articles like "an" or "the," or used attributively (e.g., XYY syndrome).
- Example:
Examples
- As a subject:
- Xyy is a chromosomal anomaly that occurs in a small percentage of the male population.
- As an object:
- The test confirmed the presence of xyy in the fetus's cells.
- Attributive use:
- Researchers are studying the developmental outcomes of xyy individuals.
Advanced Usage
- "XYY syndrome": The clinical condition associated with the 47,XYY karyotype.
- The pediatrician discussed the potential characteristics of XYY syndrome with the parents.
- "47,XYY": The formal scientific notation for the karyotype.
- The lab report listed the chromosomal finding as 47,XYY.
Variants and Related Words
- 47,XYY karyotype (n): The formal genetic description.
- XYY syndrome (n): The medical condition associated with the chromosomal complement.
Synonyms
- 47,XYY: (The precise scientific synonym)
- Double Y syndrome: (An informal, less common term)
Notes on Meaning
- The term "xyy" refers strictly to a genetic constitution. It is not a term for a disease or illness, but rather a description of a chromosomal variation.
- It is distinct from other sex chromosome aneuploidies like XXY (Klinefelter syndrome) or XXX.
Noun
- (genetics) abnormal complement of sex hormones in a male who has two Y chromosomes