Q. Which of the following has the least number of chromosomes?
A) Amoeba
B) Drosophila
C) Pheretima
D) Ascaris megalocephala
Explanation
Amoeba cheris contains 500 chromosomes and Ascaris megalocephala contains only two chromosomes in each nucleus, ie, least number of chromosomes.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.