Genetic abnormalities coded on the sex chromosome are referred to as what?

Genetic abnormalities that are coded on the sex chromosome, particularly on the X chromosome, are referred to as X-linked. This terminology is critical in understanding how certain genetic disorders can be passed down through generations, especially concerning traits and conditions that manifest predominantly in males due to males having only one X chromosome while females have two.

X-linked disorders arise from mutations found in genes on the X chromosome, leading to conditions such as hemophilia and Duchenne muscular dystrophy. In contrast, Y-linked abnormalities would be found on the Y chromosome, which affects only males. Autosomal conditions involve genes located on the non-sex chromosomes, and dominant refers to the inheritance pattern rather than the specific location of the genes.

By identifying these genetic abnormalities as X-linked, it allows for a better understanding of inheritance patterns, risks of passing on certain conditions, and the implications for both male and female offspring.