CAIE IGCSE Biology 17.1.11 Defining a Diploid Nucleus

Practise defining a diploid nucleus and applying two chromosome sets to body cells, zygotes and genetic diagrams.

Exam points

define a diploid nucleus as containing two sets of chromosomes
identify body cells and zygotes as diploid while distinguishing them from gametes
use a species' diploid number to state chromosome totals in body cells or zygotes

[Maximum number: 1]

Fig. 6.2 shows a plant tissue in which cells are dividing by mitosis.

Fig. 6.2

Cell J in Fig. 6.2 is an example of a diploid cell.

State what is meant by the term diploid.

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