BrightBlueStar11
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#1
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#1
are zygote cells same as the embryonic stem cells?
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yippy-yikes
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#2
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#2
I believe so. A zygote is made out of undifferentiated stem cells that specialise into a foetus. So yeah, they're a type of embryonic stem cell
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BrightBlueStar11
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#3
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#3
(Original post by yippy-yikes)
I believe so. A zygote is made out of undifferentiated stem cells that specialise into a foetus. So yeah, they're a type of embryonic stem cell
thanks, and are meristem cells same as the stem cells?
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yippy-yikes
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#4
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#4
(Original post by BrightBlueStar11)
thanks, and are meristem cells same as the stem cells?
Meristem cells are a type of stem cell found in the growing regions of a plant (just to note, they are not found in animals)

Also to add to your last question about a zygote being an embryonic stem cell, you can remember it by knowing that embryonic stem cells come from the embryo :emog:
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BrightBlueStar11
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#5
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#5
(Original post by yippy-yikes)
Meristem cells are a type of stem cell found in the growing regions of a plant (just to note, they are not found in animals)

Also to add to your last question about a zygote being an embryonic stem cell, you can remember it by knowing that embryonic stem cells come from the embryo :emog:
ok that makes sense now! thanks so much
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Jpw1097
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#6
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#6
(Original post by BrightBlueStar11)
are zygote cells same as the embryonic stem cells?
Not quite. Embryonic stem cells usually refers to cells taken from the inner cell mass of a blastocyst (day 5-7 after fertilisation). At this point, cells have already differentiated into either embryoblasts (pluripotent embryonic stem cells), which will form the embryo, or trophoblast cells which will form the placenta and placental membranes.
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Jpw1097
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#7
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#7
(Original post by yippy-yikes)
I believe so. A zygote is made out of undifferentiated stem cells that specialise into a foetus. So yeah, they're a type of embryonic stem cell
Not quite, a zygote is a single cell.
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BrightBlueStar11
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#8
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(Original post by Jpw1097)
Not quite. Embryonic stem cells usually refers to cells taken from the inner cell mass of a blastocyst (day 5-7 after fertilisation). At this point, cells have already differentiated into either embryoblasts (pluripotent embryonic stem cells), which will form the embryo, or trophoblast cells which will form the placenta and placental membranes.
so the zygote cells divide to multiple cells that form the outer shell of embryo, in which the inner part contains embryonic stem cells? If so, wouldn't it be that embryonic stem cells derived from zygote cell?
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Jpw1097
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#9
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#9
(Original post by BrightBlueStar11)
so the zygote cells divide to multiple cells that form the outer shell of embryo, in which the inner part contains embryonic stem cells? If so, wouldn't it be that embryonic stem cells derived from zygote cell?
There is no such thing as zygote cells, a zygote is a single cell. The zygote gives rise to all cells, including those that will form the placenta. After 5 days or so, totipotent cells will differentiate into either trophoblast cells or embryoblasts. The trophoblasts form the shell around the embryo, and will give rise to the placenta and amniotic/chorionic membranes. The embryoblasts form the inner cell mass, from which pluripotent embryonic stem cells are taken.
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BrightBlueStar11
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#10
Report Thread starter 3 months ago
#10
for embryo transplant (animal cloning):

when it states that embryo cells are separated into individual cells and each of it form new embryos - does it need to be separated at blastomere (e.g. morula) stage? before these cells specialise into trophoblast cells or embryoblasts (inner mass cells)?
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Slx.24
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#11
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#11
I'm not sure what part of totipotent and pluripotent cells are in gcse spec bcs I defo don't remember that

I'd recommend giving answers to the appropriate academic level 😭

If that really is in the gcse spec I'm baffed af
Last edited by Slx.24; 3 months ago
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BrightBlueStar11
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#12
Report Thread starter 3 months ago
#12
(Original post by Slx.24)
I'm not sure what part of totipotent and pluripotent cells are in gcse spec bcs I defo don't remember that

I'd recommend giving answers to the appropriate academic level 😭

If that really is in the gcse spec I'm baffed af
dw they arent gcse topics lol, i just wanted to know the process beyond gcses
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harlz_chalamet
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#13
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#13
I don’t remember doing this in class 😭😭
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Slx.24
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#14
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#14
(Original post by BrightBlueStar11)
dw they arent gcse topics lol, i just wanted to know the process beyond gcses
Oh, you see, based on the title of the thread, which states gcse level stem cells, I assumed ☠

(Original post by harlz_chalamet)
I don’t remember doing this in class 😭😭
Cus you didn't lol
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