Multiple Choice
A mutation is found in C. elegans that causes the organism to have no vulval opening cells or any vulval supporting cells. What could this mutation be?
A) one that blocks the Notch receptor on progenitor cells
B) one that blocks expression of the Notch ligand in progenitor cells
C) one that blocks expression of the EGF receptor in anchor cells
D) one that results in constitutive expression of Notch ligand in progenitor cells
E) one that results in constitutive expression of the EGF ligand from the anchor cell
Correct Answer:

Verified
Correct Answer:
Verified
Q171: Which of the following transcriptional regulators prevents
Q172: Many valuable horticultural varieties of plants, including
Q173: Differentiating cells delete the DNA for genes
Q174: A mutation in a gene that results
Q175: Nanos _ <i>caudal</i> mRNA translation.<br>A)promotes<br>B)inhibits<br>C)does not affect
Q177: In the graph shown here, the dashed
Q178: A new mutation is discovered in Drosophila
Q179: Which of the following statements is TRUE
Q180: Shown here are four ligands (M, H,
Q181: The question of whether animal eyes have