Question

24. During which stage of cell division can chromosome be seen? Write the features of
prokaryotic and eukaryotic chromosome.​

Answer 1

Answer:

Answer. In Leptotene :-Sub phase of prophase1 chromosome are seen clearly . In eukaryotes there is more than one chromosome while in prokaryote there is only one chromosome. Eukaryotes have well defined nucleus while prokaryote have not well defined nucleus.

Answer 2

• In mitosis, the nuclear DNA of the cell condenses into visible chromosomes and is pulled apart by the mitotic spindle, a specialized structure made out of microtubules. Mitosis takes place in four stages: prophase (sometimes divided into early prophase and prometaphase), metaphase, anaphase, and telophase.

• Prokaryotes and Eukaryotes are the two major domains of living organisms. This classification is on the basis of the features of their cellular features primarily the nature of membrane bounded organelles and organization of the genetic materials. Both prokaryotes and eukaryotes contain the genetic materials which are organized into specialized structures called Chromosomes. Even though the term chromosome is accurate only for eukaryotes, the genetic materials of prokaryotes are also described as prokaryotic chromosome. The prokaryotic chromosome is considerably different from that of eukaryotes.