Cell Cycle

Centrosome duplication takes place in this phase.

• S phase

• G1 phase

• G0 phase

• M phase

The characteristic of this stage of mitosis is the separation of the sister chromatids

• Telophase

• Metaphase

• Prometaphase

• Anaphase

Chiasma formation occurs in

• Pachytene

• Zygotene

• Diplotene

• Leptotene

Crossing-over results in

• Recombination of linked alleles

• Dominance of alleles

• Segregation of alleles

• Linkage between genes

Name the cyclin which takes part in M phase?

• Cyclin E

• Cyclin A

• Cyclin D

• Cyclin B

Name the state where never dividing cells of neurons and skeletal muscle present?

• G0

• G1

• G2

• M

The stage which serves as a connecting link between meiosis 1 and meiosis 2?

• Interphase 2

• Interphase 1

• Interkinesis

• None of the above

The condensation of chromosomes is observed in ______ .

• Prophase 1

• Anaphase 1

• Metaphase 1

• None of the above

Which of the following occurs in meiosis but not in mitosis?

• Attachment of spindle fibers to kinetochore

• Replication of DNA prior to start of cell division

• Separation of sister chromatids at anaphase

• Pairing of homologous chromosomes at metaphase plate

Spindle fibers are made up of ___________

• Myosin

• Tubulin

• Flagella

• Actin