2nd Year Biology Chapter 20 Chromosomes & DNA
2nd Year Biology Chapter 20 Chromosomes & DNA Question an Answer Short and Simple Question And Answer Q 1. Who first observed chromosomes? Ans. The German embryologist Walther Fleming first observed them in 1882 while examining the rapidly dividing cells of salamander larvae. Q 2. What is euchromatin? Ans. Euchromatin is the portion of the…