How Do the Genes in the β-Globin Locus Differ from Each

question 20

Multiple Choice

How do the genes in the β-globin locus differ from each other?

• A)They use different template strands for transcription.
• B)They are expressed at different times in development.
• C)They evolved from different ancestral genes.
• D)They are dispersed on different chromosomes.
• E)Some are expressed in all cells; others are expressed only in red blood cell precursors.

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