Can there be DNA replication without cell division.

Yes, the DNA can replicate without cell division. When DNA replication is not followed by cell division the DNA keeps accumulating in the cell. For example - Polytene chromosomes found in drosophila is a result of DNA replication without cell division.

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Discuss with your teacher about.

1. haploid insects and lower plants where cell division occurs, and

2. Some haploid cells in higher plants where cell division does not occur.

Name the stage of cell cycle at which one of the following events occur.

1. Chromosomes are moved to spindle equator.

2. Centromere splits and chromatids separate.

3. Pairing between homologous chromosomes takes place.

4. Crossing over between homologous chromosomes takes place.

Describe the following

1. Synapsis
2. Bivalent
3. Chiasmata.

Draw diagrams to illustrate your answer.

Distinguish between cytokinesis and karyokinesis.

Cell Cycle and Cell Division

Can there be DNA replication without cell division.