Representative Gastrulation Pattern (Alecitha egg) in Mammals

Question 1

_________ capitulates the development pattern in bird
* capitulate - to cease resisting

Answer 1

Mammalian (alecithal) gastrulation

Question 2

-blastocyst
-no yolk: empty space surrounded by cells

Answer 2

Mammalian egg

Question 3

In an alecithal egg,

________ will form little spaces that will coalesce to form _________

Answer 3

Inner cell mass, Amniotic Cavity:amnion

Question 4

in mammalian egg, the rest of the cells will be like the blastoderm in the _______

Answer 4

avian

Question 5

In mammalian egg, the rest of the cells will be like the blastoderm in the avian
- one will form the _____; the other ______

Answer 5

epiblast, hypoblast

Question 6

In alecithal (mammalian egg),

________ will form the yolk sac

Answer 6

hypoblast

Question 7

In alecithal (mammalian egg)

_______ will form the primitive streak

Answer 7

epiblast

Question 8

in the mammalian egg, there will be _______ in the primitive streak

Answer 8

ingression

Question 9

in mammalian egg

true or false
sometimes, two primitive streaks form: creation of one organism

Answer 9

False (creation of two identical organisms)