Male tortoiseshell cats ________.
A) do not have an X chromosome
B) have orange and black patches of fur that reflect the pattern of X chromosome inactivation
C) are usually XYY individuals
D) are likely to be exceedingly rare and very likely to be sterile since normal male cats are XY
Correct Answer:
Verified
Q8: Bacterial RNA polymerase binds to the _.
A)operator
B)repressor
C)enhancer
D)promoter
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Q11: What is the first level of control
Q12: Repressors act by blocking the binding of
Q14: In an operon, the _ acts as
Q15: Which is most likely to cause the
Q16: In a eukaryotic cell an abnormal protein
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Q18: Which of these plays a role in
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