Question

Assertion: Holandric genes are found on Y chromosome.
Reason: Inheritance of holandric genes are always from father to son.

• A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
• B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
• C. If the assertion is true but the reason is false
• D. If both the assertion and reason are false
• E. If the assertion is false but reason is true

Answer 1

The correct option is B If both the assertion and reason are true but the reason is not a correct explanation of the assertion

• The genes that are carried on the Y chromosome are called holandric genes.
• Holandric genes can only be passed by males onto their sons; they code for 'maleness' but sometimes cause rare conditions like hypertrichosis pinnae and color blindness.
  

Thus the correct option is answer B.