In Hammerling's experiments, which part of Acetabularia was exchanged?

Which of the following is a characteristic of a telocentric chromosome?

Which of the following components are included in the structure of the nucleus?

Centromere is part of

The part of the chromosome after the secondary constriction is called ......

Read the following statements $:-$
$(i)$ Centromere is present in the middle of the chromosomes and forms two equal arms.
$(ii)$ Chromosome has a terminal centromere.
$(iii)$ Centromere lies close to the end of the chromosome forming one extremely short and one very long arm.
$(iv)$ Centromere lies slightly away from the middle of the chromosome resulting in one shorter arm and one longer arm.
Select the correct option as per the codes given below $:-$