A) Amoeba
B) Drosophila
C) Pheretima
D) Ascaris niegalocrphala
Correct Answer: D
Solution :
Chromosomes are present in eukaryotic nucleus and absent in prokaryotes. Chromosomes are thread like structures which transmit information from parents to offsprings. Amoeba cheris contains 500 chromosomes and Ascaris megalocephala contains only two chromosomes in each nucleus i.e. least number of chromosomes.
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