Cell division and stem cells

How many chromosomes are present in a diploid human cell?
46
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Which process of cell division is used in asexual reproduction?
Mitosis
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How many identica cells does mitosis have and what is the name given to them?
2-daughter cells
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What is mitosis needed for?
make new cells for growth and to replace the damaged and worn out cells
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how many cells does meiosis contain and how many cromosomes?
4 different cells-1/2 the chromosoes
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Which type of cell division is used in sexual reproduction?
meiosis
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What are stem cells?
unspecialised cells which can develop into other cells by mitosis
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What is the source of stem cells in plants?
Meristems- these are growing points in the tips of shoots and roots
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What are the two sources of stem cells in animals?
Adult stem cells e.g. umbilical cord and Embryonic stem cells- embryo's donated from IFV treatment
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What are the uses of stem cell technology?
can leat to the treatment of diseases and can replace damaged tissues
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What are the advantages to the adult stem cell?
the body will accept the cells-no rejection and no moral or ethical issues
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What are the diadvantages to adult stem cells?
it is very complecated and technology is still being developed
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What are the disadvantages to the embryonic stem cells?
some think that its destroying potential life
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What are the advantages to emryonic cells?
the source of cells from IFV are readily availabe
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What does asexual reproduction require?
Only one parent
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Other cards in this set

Card 2

Front

Which process of cell division is used in asexual reproduction?

Back

Mitosis

Card 3

Front

How many identica cells does mitosis have and what is the name given to them?

Back

Preview of the front of card 3

Card 4

Front

What is mitosis needed for?

Back

Preview of the front of card 4

Card 5

Front

how many cells does meiosis contain and how many cromosomes?

Back

Preview of the front of card 5
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