Nondisjunction: Causes and Effects Nondisjunction is a type of chromosomal abnormality in which a pair of chromosomes fail to separate during meiosis, resulting in the production of gametes with an incorrect number of chromosomes (He et al., 2018). This can lead to a variety of genetic disorders in offspring, such as Down syndrome, Turner syndrome, […]
Introduction to Klinefelter’s Syndrome Klinefelter’s Syndrome (KS), often referred to as 47,XXY, stands as one of the most prevalent sex chromosome aneuploidies in humans, affecting approximately one in every 500 to 600 live male births. This genetic condition results from the presence of an extra X chromosome in the male karyotype, leading to the characteristic […]
Introduction to Sex-Chromosomal Aberrations Sex-chromosomal aberration, frequently referred to as a sex chromosome aneuploidy, represents a category of genetic disorders characterized by the deviation from the typical complement of sex chromosomes (XX for females, XY for males). This deviation involves either the complete or partial absence of a sex chromosome, the presence of extra sex […]