Inheritance & Variation
Quick practice
Question 1 of 5
The failure of the chromosomes to separate properly in meiosis or mitosis leading to aneuploidy is called:
A
unequal crossing over
B
recombination
C
mutation
D
non disjunction
Get unlimited practice with CBSE Class 12 subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go