Which of the following is Autotetraploid?

A. Cynodon dactylon

B. Secale cerele

C. Pisum sativum

D. Raphanus

Answer: Option B

Solution(By Examveda Team)

Among the given options, Secale cerele is autotetraploid.
Autotetraploid is an individual or strain whose chromosome complement consists of four copies of a single genome due to the doubling of an ancestral chromosome complement.
An individual or strain whose chromosome complement consists of four copies of a single genome due to the doubling of an ancestral chromosome complement.