1.During the interphase the chromosomes are elongated-despiralized; therefore only chromatin net is seen in the interphase nucleus.
2. A more detailed information on the question can be found in the paper on Mutations.
1 It is worth mentioning again that we are dealing with a diploid organism having double chromosomes. One has been brought into the zygote by mother cell (ovum), the other by father cell (spermatozoa). Thus the term diploid indicates the double structure o