Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?

TLS Online TPP Program

#Question id: 5522

#Unit 5. Developmental Biology

In reptiles, birds, and mammals, mesoderm is made by invagination and involution into the

TLS Online TPP Program

#Question id: 5523

#Unit 5. Developmental Biology

Ectodermal cells condense into placodes that change into

TLS Online TPP Program

#Question id: 5524

#Unit 5. Developmental Biology

Interaction of the optic stalk with ectoderm makes the development of the

TLS Online TPP Program

#Question id: 5525

#Unit 5. Developmental Biology

"ontogeny recapitulates phylogeny" means

TLS Online TPP Program

#Question id: 5526

#Unit 5. Developmental Biology

The allantois

TLS Online TPP Program

#Question id: 5527

#Unit 5. Developmental Biology

Ectoderm cells related with anterior neural crest cells condense and form