#Question id: 5108
#Unit 5. Developmental Biology
The absence of limbs in snakes may be attributable to the evolution of changes in:
#Question id: 5109
#Unit 5. Developmental Biology
In drosophila, the stem cells for sperm reside in a regulatory microenvironment called
#Question id: 5111
#Unit 5. Developmental Biology
Once the germ layers are established, the cells interact with one another and rearrange themselves to produce tissues and organs. This process is called:
#Question id: 5112
#Unit 5. Developmental Biology
Inward movement of an expanding outer layer spreading over the internal surface during gastrulation is termed as
#Question id: 5113
#Unit 5. Developmental Biology
The adult stem cell is housed in and controlled by its own adult stem cell niche. Which one of the following process not occur in niche?
#Question id: 5114
#Unit 5. Developmental Biology
Which kind of cleavage is shown in flatworms?