Principle Of Inheritance And Variation Question 224

Question: Chromosome number is [MP PMT 2003]

Options:

A) Fixed for a species

B) Fixed for an ecosystem

C) Fixed for a community

D) Fixed for a biosphere

Show Answer

Answer:

Correct Answer: A

Solution:

Chromosome number is fixed for a species.

The lowest number is seen in Haplopappas gracilis i.e.

2n = 4 and maximum in ophioglossum species i.e.

2n = 1656.