Overview
Nondisjunction is a critical concept in genetics that refers to the failure of chromosomes to separate properly during cell division. This can lead to various chromosomal disorders, such as Down syndrome, Turner syndrome, and Klinefelter syndrome. Understanding nondisjunction is essential for recogn...
Key Terms
Example: Humans have 46 chromosomes in each cell.
Example: Meiosis produces sperm and egg cells.
Example: Down syndrome is caused by trisomy of chromosome 21.
Example: Turner syndrome is caused by monosomy of the X chromosome.
Example: Genetic counseling is often recommended for families with a history of chromosomal disorders.
Example: Amniocentesis can detect chromosomal disorders in a fetus.