In a cross between a homozygous red-eyed female fruit fly and a white-eyed male fruit fly, what is the expected outcome?
a) all white-eyed male offspring
b) all white-eyed female offspring
c) all red-eyed offspring
d) half white-eyed make offspring
Ans: c) all red-eyed offspring
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Activators
A. are involved in negative control. B. are involved in positive control. C. always bind to the promoter. D. are allosteric proteins. E. are involved in positive control AND are allosteric proteins.
What is the key concept addressed by the question?
What will be an ideal response?
Based on the biological hierarchy of organization, which of the following would be more inclusive than a cell?
a. atom b. organism c. molecule d. organelle
Which of the following communication signals is
mismatched? a. tactile; honeybees b. acoustical; frogs c. visual; baboons d. chemical; honeybees e. chemical; fireflies