#Question id: 7262
#Unit 5. Developmental Biology
Match
the following Gene (column I) with their function (column II).
|
Column I |
Column II |
|
A.
sex-lethal |
i.
facilitates transcription from the X chromosome |
|
B.
double-sex |
ii.
help to generate the female phenotype
by splicing the doublesex gene |
|
C.
msl |
iii.
encodes an RNA splicing factor |
|
D.
transformer |
iv.
activate wingless gene in female |
Which
of the following is correct?
#Question id: 7260
#Unit 5. Developmental Biology
There are maternally-determined variations along the animal-vegetal axis that are necessary for normal development in sea urchin. Which of the following statements about regulation in sea urchin embryos is consistent with that fact?
#Question id: 7259
#Unit 5. Developmental Biology
The mechanism that triggered to initiate limb bud formation involes:
A. making mesoderm instructive for limb formation
B. inducing epithelial-to-mesenchymal transitions
C. making mesoderm permissive for limb formation
D. inducing mesenchymal-to-epithelial transitions
E. specifying forelimb and hindlimb
Which of the following combinations are incorrect?
#Question id: 5522
#Unit 5. Developmental Biology
In reptiles, birds, and mammals, mesoderm is made by invagination and involution into the
#Question id: 5523
#Unit 5. Developmental Biology
Ectodermal cells condense into placodes that change into
#Question id: 5524
#Unit 5. Developmental Biology
Interaction of the optic stalk with ectoderm makes the development of the