Is where genetic information from two organisms (a father and a mother) is combined to produce offspring which are genetically different to either partent.
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Sex cells are also called...
Gametes
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Gametes only contant..
Half the number of chromosomes.
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Fertilisation is the...
fusion with the sperm cell and the egg cell.
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Zygote:
a diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum
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The Zygote then undergoes..
cell division by mitosis and develops into an embryo.
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The embryo then...
inherits the characteristics from both parents as its received a mixture of chromosomes from its chromosomes.
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Meiosis is...
the cell division of gametes.
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Mitosis is...
the cell division of body cells.
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Process of Meiosis:
The chromosomes in the cells are lined up in the center and then is split. Then after that it is split again. Compared to Mitosis cell division occurs twice not once.
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Stem cells are:
Unspecialised cells
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Stem cells can be used in..
Medicine as the stem cell can just specialise into any role.
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Adult cells are:
Unspecialised cells but can only specialise into a limited amount of roles.
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Process of Specialisation.
For a cell to be specialised it must have a genetice switch code. I.E: A cell can have 2 on and 2 off.
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Too much Meiosis can lead too?
Development of cancer cells which will lead to a tumar. This happens by uncontrollable Meiosis.
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