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Biology, 07.02.2021 14:00 live4dramaoy0yf9

Which biological scenario(s) best describes a rigid phenotype for gene expression? I. Each person has a specific blood type.
II. Red blood cell counts differ in higher altitudes.
III. One identical twin is taller than the other.

1) I only

2) II only

3) II and III only

4) I, II, and III

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Answers: 2

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