While examining a mitotic stage in a tissue, one finds some cells with 16 chromosomes and some with 32 chromosomes. What possible reasons could you give to this difference in chromosome number. Do you think that 16 chromosomes have arisen from 32 chromosomes or vice versa?
Important Questions on Cell Cycle and Cell Division
The following events occur during various phases of the cell cycle. Fill in the blank with a suitable answer given within the brackets.
The disintegration of the nuclear membrane occurs in _____ (Prophase, Metaphase, Anaphase, Telophase) of the cell cycle.
The following events occur during various phases of the cell cycle. Fill in the blank with a suitable answer given within the brackets.
The appearance of nucleolus occurs in _____ (Prophase, Metaphase, Anaphase, Telophase) of the cell cycle.
The following events occur during various phases of the cell cycle. Fill in the blank with a suitable answer given within the brackets.
Division of centromere occurs in _____ (Prophase, Metaphase, Anaphase, Telophase) of the cell cycle.
The following events occur during various phases of the cell cycle. Fill in the blank with a suitable answer given within the brackets.
Replication of DNA takes place in _____ (G1 phase, M phase, G0 phase, S phase) of the cell cycle.
In which phase of the meiosis (prophase I) 'recombination nodules' are formed?
In which phase of the meiosis (prophase I) the 'termination of chiasmata' occurs?
