Q. What would be the number of chromosomes of the aleurone cell of a plant with 42 chromosomes in its root tip cells?
A) 63
B) 84
C) 21
D) 42
Explanation
The outermost cell later of the endosperm (3$n$) of seed is called aleurone layer. Since, the cells of aleurone layer are triploid, the number of chromosomes would be = 63, as root tip cells (2$n$) has 42 chromosomes.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.