CAIE IGCSE Biology 17.2.2 Role of Mitosis in Growth Repair Questions

Practise stating how mitosis supplies genetically identical cells for growth, tissue repair, replacement and asexual reproduction.

Exam points

link mitosis in growing tissues such as shoot tips to an increase in cell number
state repair of damaged tissue and replacement of worn or dead cells as mitosis roles
link asexual reproduction to production of genetically identical cells or offspring

[Maximum number: 1]

Fig. 6.1 shows some cells from the shoot tip of an onion, Allium cepa.

Fig. 6.1

Cell A is dividing by mitosis.

State the role of mitosis in a shoot tip.

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