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Thinking Scientifically
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1. With the help of these questions, develop a scenario to explain why a particular type of cell gives off particular signals:
a. What might be the effect on genes when a cell inherits a certain cytoplasmic composition?

Answer

b. What do activated genes do?

Answer

c. How might some of these proteins act?

Answer

2. With the help of these questions, develop a scenario to explain why embryonic development is so orderly.
a. Tissue A has just become differentiated. What does it give off to affect tissue B?

Answer

b. Having received a certain signal, what does tissue B do to affect tissue C?

Answer

c. Having received a certain signal, what does tissue C do?

Answer








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