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BIOLOGY IGCSE
GENETIC MODIFICATION
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SELECTIVELY BREEDING

Form of
artificial selection
involving the intervention of
man
in
breeding
of
species
to produce desired
traits
in
offspring
SELECTIVELY BREEDING PLANTS
PROCESS:
Plant species with desired characteristics are chosen to
cross-pollinate
and
reproduce
As a result,
gene
for
desired characteristic
is passed onto offspring
Offspring that best expresses
desired characteristic
is chosen and
selective breeding
process is
repeated
SELECTIVELY BREEDING ANIMALS
PROCESS:
Animals with
desired
characteristic is chosen to
reproduce
As a result, gene for
desired
characteristic is passed onto
offspring
Offspring that best exppresses
desired
characteristic is chosen and selective breeding process is
repeated