Question

Inheritance caused by the location of dominant genes on the X chromosome are called

• A. Y linked dominant disorders
• B. X linked dominant disorders
• C. X linked recessive disorders
• D. Y linked recessive disorders

Answer 1

The correct option is B

X linked dominant disorders

Females have two X chromosomes (XX) and males have one X chromosome and one Y chromosome (XY).

The presence of dominant genes on X chromosomes leads to X linked inheritance. If the gene is present on the Y chromosome, the inheritance is called Y linked.