Question

24 chromosome are present in a root tip cell. How many chromosome and DNA are present in diving root tip cell after S -phase respectively-

• A. 24 and 24
• B. 24 and 48
• C. 48 and 48
• D. 48 and 24

Answer 1

The correct option is B 24 and 48

In S phase the number of chromosome same but quantity of DNA is double. Each chromosome gets there sister chromatid. So 24 chromosome and 48 DNA.

So correct option is B, 24 and 48.