Fill in the blanks

(a) DNA replicates in the …………… phase of the cell cycle.

(b) Mitosis occurs in our …………… cells.

(c) Meiosis occurs only in …………… cells.

(d) Modern humans have 46 chromosomes. Their sperms and eggs will have …………… chromosomes each.

(e) During the pairing of chromosomes in meiosis, the …………… chromosomes come to lie side by side.

(f) The two non-sister chromatids of a paired chromosome are attached to each other at …………… during the process of crossing over.

(a) DNA replicates in the synthesis phase of the cell cycle.

(b) Mitosis occurs in our somatic (body) cells.

(c) Meiosis occurs only in reproductive cells.

(d) Modern humans have 46 chromosomes. Their sperms and eggs will have 23 chromosomes each.

(e) During the pairing of chromosomes in meiosis, the homologous chromosomes come to lie side by side.

(f) The two non-sister chromatids of a paired chromosome are attached to each other at chiasma during the process of crossing over.