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Inside the Nucleus
Nuclei are found in cells. Inside nuclei there are chromosomes and in these chromosomes
there are genes and inside these genes there is DNA.

All cells start off with nuclei but some lose their
nuclei when they become specialized, an
example of this is in red blood…

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The diagram to the left
explains the process of

Meiosis produces gametes
which have 23
chromosomes. Sperm cells
are the male gamete and egg
cells are the female gamete.
When a sperm cell fertilizes
an egg cell it creates a zygote
which has the correct
number of chromosomes…


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