Question

Turner's syndrome in human is caused by

• A. Autosomal aneuploidy
• B. Sex chromosome aneuploidy
• C. Polyploidy
• D. Point mutation

Answer 1

The correct option is B Sex chromosome aneuploidy

Turner syndrome is characterized by partial or complete loss (monosomy) of one of the X chromosomes and is a rare chromosomal disorder that affects females. Affected females can potentially develop a wide variety of symptoms, affecting many different organ systems. Common symptoms include short stature and premature ovarian failure, which can result in the failure to attain puberty and may lead to infertility. Other abnormalities of the eyes and ears, skeletal malformations, heart anomalies, and kidney can be seen in some females.

So, the correct answer is option B.