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6) inheritence, variation and evolution
inheritence, variation and evolution
reproduction
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zara hafeez
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Sexual reproduction is when genetic information is passed down from parents to
offspring
by
gametes
Each gamete contains
23
chromosomes, instead of having
2
of each chromosome, a gamete has one of each
The egg and sperm fuse together (
fertilisation
)
Sexual reproduction produces
genetically
different cells
Asexual reproduction
produces
genetically identical
cells
Theres only
one
parent, asexual reproduction happens by
mitosis
- when the cell makes a new cell by dividing into 2
The new cells have the
exact same
genetic info
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