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Biology Revision Presentation

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is the technique used to clone plants.

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many plant

cells are

(they can develop into any other plant cell given the right conditions!)

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a plant with desirable characteristics is chosen

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the meristem is a growing
point of the plant.

Found at the tip of shoots and rounds,
if removed it can develop into a
genetically identical new plant.

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The meristem is
cut into small
pieces called

Explants are grown
on a sterile aerated
medium like
agar jelly.

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The cells divide by mitosis
producing a mass of
undifferentiated cells...

'a callus'

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Each callus is subdivided and
individually allowed to develop into


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When the plantlets
have reached a
suitable size
they are
transplanted into
sterile soil.

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