most cells in your body have a nucleus and its the nucleus that containst your genetic material, these are arranged into chromosomes.
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what is a chromosome?
the human cell nucleus contains 23 pairs of chromosomes, each one is a very long molecule of DNA thats coiled up.
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what is a gene?
is a short length of a chromosome - they control the development of different characteristics eg. hair colour and how and organism functions, they can exist in different versions. each version giving a different form of characteristics.
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what are alleles?
different versions of the same gene.
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what are proteins?
proteins are the building blocks for cells, having different versions of proteins means that we end up with different characteristics.
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what types of proteins are there? and what are their purpose?
structural proteins- part of things like skin, hair, blood and the cytoplasm
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Card 2
Front
what is a chromosome?
Back
the human cell nucleus contains 23 pairs of chromosomes, each one is a very long molecule of DNA thats coiled up.
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