Question

The number of chromosomes in the shoot tip cells of a maize plant is $20$. The number of chromosomes in the microspore mother cells of the same plant shall be

• A. $20$
• B. $10$
• C. $40$
• D. $15$

Answer 1

Answer: (A)

$20$

Shoot tip cells and microspore mother cells both are dipolid in maize plant. If number of chromosomes in shoot tip cell is $\left(2n\right)=20$, then number of chromosomes in microspore mother cell will also be $\left(2n\right)=20$.