Principle Of Inheritance And Variation Question 275
Question: Assertion : Polytene chromosomes are also called salivary chromosomes. Reason : They are present only in salivary glands of insects.
Options:
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
Show Answer
Answer:
Correct Answer: C
Solution:
Polytene chromosomes are quite common in salivary glands of insects and are therefore, popularly called salivary chromosomes.
Polytene chromosomes also occur in other organs of insects, antipodal cells (of embryo sac), endosperrn cells and suspensor cell of embryo.