When discussing the morphogenesis of Drosophila melanogaster,a homeotic gene codes for
A) proteins that bind to regulatory regions of DNA.
B) proteins that determine anteroposterior polarity.
C) proteins that determine which genes are turned on.
D) proteins that bind to regulatory regions of DNA and proteins that determine which genes are turned on.
E) All of the choices are correct.
Correct Answer:
Verified
Q1: As humans age,we tend to see a
Q3: Which structures located on the oocyte serve
Q4: Which of the following statements about embryonic
Q5: In what process does a fertilized egg
Q6: Identify and briefly describe the labeled structures
Q7: The phenomenon of apoptosis or cell death
A)is
Q8: Differentiation is characterized by
A)cellular division and growth.
B)cells
Q9: The coelomic cavity is derived from the
A)blastocoel.
B)folding
Q10: Generally,only one sperm fertilizes an egg because
A)sperm
Q11: A series of events occur during fertilization.Place
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