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Gastrula

Gastrula

embryonic stage of an animal when gastrulation occurs, follows blastula stage.


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Differentiation doubt

... a kidney or any cell for that matter because they know it from their parent cell. But when we start from the zygote,and cells go through morula ,gastrula,blastula stages,and the three germ layers,how does the cell know at that time which genes to activate in order to make a given cell a neuron,cardiac ...

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by mayanks_098
Tue Mar 25, 2008 2:18 pm
 
Forum: Molecular Biology
Topic: Differentiation doubt
Replies: 1
Views: 332

Embryo Development

zygote, blastula, morula, gastrula, embryo gametogenesis fertilization blastulation gastrulation neurulation= only in Chordates organogenesis Hope this helps.

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by Volvox
Thu Mar 22, 2007 3:18 am
 
Forum: Human Biology
Topic: Embryo Development
Replies: 8
Views: 1138

Embryo Development

Maybe zygot - morulla - blastula - gastrula - neurula things? :?

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by Dr.Stein
Wed Mar 21, 2007 1:27 am
 
Forum: Human Biology
Topic: Embryo Development
Replies: 8
Views: 1138

Animalia

... answer the original questions: Humans do not go through alternation of generations. Very few groups of animals do. We do go through blastula & gastrula, but not in the classic "ball" shape (most vertebrate blastulas are really a hollow disc, sitting on a yolk).

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by Darby
Sun Oct 15, 2006 11:02 pm
 
Forum: Zoology Discussion
Topic: Animalia
Replies: 11
Views: 1276

Animalia

... happens in moss and fern's "metagenesis"... Well I don't think so :? @Amrik: Why do you put "women" in brackets? Blastula and gastrula are common in human, even all animals development :?

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by Dr.Stein
Sat Oct 14, 2006 3:54 am
 
Forum: Zoology Discussion
Topic: Animalia
Replies: 11
Views: 1276
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