Answers Verified 100% Correct
What is cell differentiation? - ANSWER The process by which
cells become specialized
What is the physical process that gives the organism its shape
called? - ANSWER Morphogenesis
What are cytoplasmic determinants? - ANSWER Substances in
the egg that influence early development
What is induction? - ANSWER The process that allows cells in
the embyro to communicate with the cells around them.
What is determination? - ANSWER Commits a cell to its final
state
What comes first, determination or differentiation? - ANSWER
Determination
MyoD serves what function? - ANSWER As a transcription factor
that commits cells to becoming skeletal muscle cells.
What is pattern formation? - ANSWER The development of a
spatial organization of tissues and organs
Which half of the body does the bicoid gene affect? - ANSWER
The front half
What would happen if an embryo did not have the bicoid gene? -
ANSWER It would grow to be two posterior structures at both
, ends.
What is cleavage? - ANSWER Rapid cell devisions with no
growth.
What is the process that generates germ layers for the cell? -
ANSWER Gastrulation
What is the name of the many cells that cleavage makes? -
ANSWER Blastomeres
What is the name of the fluid filled cavity in the blastula? -
ANSWER The blastocoel
What is yolk? - ANSWER Stored nutrients
Which has more yolk, the vegetal pole or the animal pole? -
ANSWER The vegetal pole
What happens during organogenesis? - ANSWER The formation
of organs
What 2 processes happen in morphogenesis? - ANSWER
Gastrulation and Organogenesis
Neural folds create what? - ANSWER The neural tube
What does the neural tube become later? - ANSWER The brain
and spinal cord
Where are neural crest cells found? - ANSWER between the
ectoderm and the neural tube