Question

Baldness is more common in men than in women. It could be explained on the basis that

• A. Genes of baldness are located on X-chromosomes only
• B. Baldness genes are located on Y-chromosomes
• C. Genes of baldness are autosomal but influenced by androgens
• D. None of the above

Answer 1

The correct option is C Genes of baldness are autosomal but influenced by androgens

Although baldness is affected by genetics, androgens also play an important role. Variations in the AR gene, increase the action of androgenic receptors in hair follicles which respond to androgens like Dihydrotestosterone(DHT), which is a byproduct of testosterone. DHT causes shrinking of hair follicles and since testosterone is constantly produced in men, it is more commonly seen in men than women.

So, the correct option is C.