Cell Division

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Stage in
for the rest Prophase- in
Stage in of their life, this stage, the
Stage in human they will have chromosomes
human development- neural stem condense
development- 5 days after cells (ones that into two short
after 3 conception, can develop strands called Metaphase-
complete a blastocyst into various chromatids spindle fibres
cel cycles has formed. types of cells (chromatids form between
Problems- Interphase-
the zygote The outer layer Multipotent- in the nervous are genetically the poles and
organs can be during the
contains will go on to Pluripotent- some system). They identical join at the
rejected by the longest stage
8 identical become the these cells adult cells will also have chromosomes equator (the
body because of mitosis, the
totipotent placenta, and can become which have white blood joined at the widest part of
it is a foreign cell's DNA and
cells. Because the inner cells most, but not become more stem cells centromere the spindle).
object. Normal organelles
of their (50 cells) form all, cell types. differentiated in the bone region). The The nuclear
methods like are copied,
totipotency, the embryos can still marrow (they cell's centrioles envelope
tissue typing so that there
they can tissues. These develop into can develop start to form breaks down,
and immuno- Totipotent- is enough
bceome cells are different types into red blood the spindle and the
suppressant these are content for
identical twins, pluripotent of cells, these cells, platelets, at opposite centromeres of
drugs can be cells with the two cells to
triplets etc. embryonic can only marcophages, 'poles' of the chromatids
used. A new potential to be produced.
cells. become a few lymphocytes the cell. attach to
method has develop into
cell types. etc.). spindle fibres
been found; any type of
therapeutic at the equator.
cell (they can
cloning- a become a total
dilpoid cell is organism).
removed from
the patient, Anaphase-
fused with Ethical spindle fibres
an ovum with implications- Stem Cells Cell Division Mitosis begin to
it's nucleus as embryos shorten, pulling
removed and are potentially the chromatids
then grown in human beings, apart in
a culture. This some people Stem Cells
zygote would believe that in Medicine Technique- Telophase-
Cytokinesis- directions.
be geneticall taking the pluripotent the nuclear
this is the One chromatid
identical to the stem cells embryonic envelope
actual splitting goes to
patient, so the and 'killing' Potential uses- stem cells reforms
These stem of the cells, each pole.
rejection risk the embryo is stem cells are are removed around each
cells are when the cell Anaphase
is much lower. wrong. Adult undifferentiated, from 'spare' pole and the
isolated and membrane ends when the
stem cells so if they were embryos from chromosomes
grown in a constricts chromatids
can be used encouraged fertility clinics unravel,
culture with the as protein reach the
for research, to grow into a (women are so that the
hope that they filaments on poles and
but scientists specific type given drugs genetic
can produce the outside the spindle
believe they of cel tissue, to stimulate information
new organs. of the cell breaks down.
could learn you could over-ovulation, is sorted into
so many of the contract separate
more from thee grow new until the cell
embryonic organs. This eggs produced nuclei.
aren't needed). is divided.
stem cells. would reduce
the need for
organ donors
and could
save lives.


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