Embryo development

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Jon_athan
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Embryo development

Post by Jon_athan » Sat Jul 08, 2006 4:00 pm

What stages of development, if any, do plant and animal embryos share?

baikuza
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Post by baikuza » Thu Jul 13, 2006 2:06 am

... try search it with search engine in internet.
they are differ. no blastula in plant either gastrula. small plant is called "plantelete"(..maybe i am wrong in spell this word), but small animal may called a baby....

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Dr.Stein
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Post by Dr.Stein » Sat Jul 15, 2006 10:10 am

Generally, in animal including: zygot (fertilized cell) - 2 cells - 4 cells - ... - morulla (32 cells) - blastula (ectoderm, entoderm) - gastrula (ectoderm, mesoderm, entoderm) - differentiation stage.

I am not sure in plant.
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Post by xand_3r » Wed Jul 19, 2006 2:14 pm

None. The simmilarities stops when the cells begin to differentiate. First of all, there are big differences between plant and animal cells. Plant cells have a cell wall, permanent vacuolae, chloroplasts, chromoplasts. So if we look at a plant embryo we will find differences even at the celular level.

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Post by chloe18 » Thu Jul 20, 2006 12:11 pm

In both plant and animal reproduction the embryo remains attatched to the parent by a tube like extension. In animals it is the umbilical chord, while in plants it is the funicle.
That's all i can think of right now

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