IB Biology SL D2.1.8 Identification of Mitosis Phases Questions

Identify mitosis phases in diagrams, micrographs and root-tip squashes. Use chromosome condensation, equator alignment, chromatid separation and nuclear membranes as cues.

Exam points

Identify a mitotic phase from chromosome position, condensation or nuclear-membrane cues in a diagram or micrograph.
Distinguish the order or early/intermediate timing of mitotic phases from visible cell events.

[Maximum number: 1]

Both the genome and the environment of an organism affect its growth and development. Variation between individuals of a species can be continuous or discrete (discontinuous). Mitosis produces identical cells for growth and meiosis allows for variation.

The micrographs show onion and whitefish cells in mitosis.

Figure for Question IB Biology SL D2.1.8 Identification of Mitosis Phases Questions question 1 — IB Biology SL

Identify the phase of mitosis labelled X .

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IB Biology SL D2.1.8 Identification of Mitosis Phases Questions question 1