While examining the mitotic stage in a tissue, one finds, some cells with 16 chromosomes and some, with 32 chromosomes. What possible reasons could you assign to this difference in chromosome number. Do you think cells with 16 chromosomes could have arisen from cells with 32 chromosomes or vice versa?

A cell has 32 chromosomes. It undergoes mitotic division. What will be the chromosome number (N) during metaphase? What would be the DNA content (C ) during anaphase?

Do you think Mendel's laws of inheritance would have been different if the characters that he chose were located on the same chromosome.

complete the paragraph by choosing the appropriate words given in the brackets : (gamete, crossing over, haploid, Meiosts-II,meiosis-I, diploid) .............. is just like mitosis. In this stage, the two haploid daughter cells formed in ......... undergo division by separation of recombined sister chromatids and four .................... daughter cells are formed. Process of ........ production and spore formation occurs by meiosis. In this type of cell division, four haploid (n) daughter cells are formed from one ..........cell. During this cell division, ....................occurs between the homologous chromosomes.