75) A highly conserved sequence of 180 base pairs that : 1380979.
75) A highly conserved sequence of 180 base pairs that controls development in many species is a/an ________.
76) Programmed cell death is also known as ________.
77) What are the three phases of early embryonic development in animals, and what key events occur during each phase?
78) Evaluate and explain the importance of positional information and morphogens in induction.
79) If you could stop diffusion of substances in fruit fly zygotes, could you stop normal development? Why or why not?
Refer to the figure below, and then answer the question that follows.
80) Which label, A, B, or C, points to a structure formed from the archenteron during gastrulation?
Refer to the figure below, and then answer the question that follows.
81) Which structure, A, B, C, or D, induces formation of the neural tube?
75) A highly conserved sequence of 180 base pairs that : 1380979
