y-linked gene
Học thuậtThân thiện
Definition
- Noun:
- A gene located on a Y chromosome: A
y-linked geneis a unit of heredity that is situated specifically on the Y sex chromosome. These genes are involved in male sex determination and development and are typically passed from father to son.
Usage
- are responsible for traits and functions specific to biological males.
- Because the Y chromosome is much smaller than the X chromosome, there are far fewer .
- The inheritance pattern of a is holandric, meaning it is passed from a father to all his sons but never to his daughters.
Examples
- Noun:
- The SRY gene is a well-known
y-linked genethat triggers the development of male characteristics. - Geneticists are studying a rare
y-linked geneassociated with a form of hearing loss. - Since it is a
y-linked gene, the condition appears only in males and is transmitted from father to son.
Advanced Usage
- "Y-linked inheritance": Refers to the pattern of inheritance for traits or disorders caused by .
- The pedigree chart clearly showed
Y-linked inheritance, with the trait appearing in every generation of males.
Variants and Related Words
- Holandric gene (n): A synonym for a , emphasizing its exclusive inheritance through the male line.
- Y chromosome (n): The sex chromosome that carries .
- Sex-linked gene (n): A broader category that includes genes located on sex chromosomes (X or Y), such as and x-linked genes.
Synonyms
- Holandric gene: A gene located on the Y chromosome.
- Y-chromosomal gene: A gene found on the Y chromosome.
Related Phrases
- Y-linked trait: A characteristic or disorder determined by a .
- Male-pattern baldness was once thought to be a
Y-linked trait, but this has been disproven.
- Y-linked disorder: A genetic disease caused by a mutation in a .
- True
Y-linked disordersare extremely rare in human genetics.
Noun
- a gene located on a Y chromosome