In seed plants, which part of a pollen grain has a function most like that of the seed coat?

TLS Online TPP Program

#Question id: 31248

#Unit 5. Developmental Biology

Specification of the digits is primarily dependent on the expression of:

TLS Online TPP Program

#Question id: 31249

#Unit 5. Developmental Biology

Sonic hedgehog in the ZPA activates Gremlin, which inhibits BMPs, thus promoting the:

TLS Online TPP Program

#Question id: 31250

#Unit 5. Developmental Biology

The dorsal-ventral polarity of the limb bud is determined by the:

TLS Online TPP Program

#Question id: 31251

#Unit 5. Developmental Biology

The regrowth of hair shafts from follicular stem cells in the hair bulge is an example of:

TLS Online TPP Program

#Question id: 31252

#Unit 5. Developmental Biology

In some species, adult structures can undergo dedifferentiation to form a relatively undifferentiated mass of cells that then redifferentiates during morphogenesis of the new structure. Such regeneration is characteristic of:

TLS Online TPP Program

#Question id: 31253

#Unit 5. Developmental Biology

Which of the following regeneration occurs through the re-patterning of existing tissues?