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Multigene families include two or more nearly identical genes or genes sharing nearly identical sequences. A classical example is the set of genes for globin molecules, including genes on human chromosomes 11 and 16.
-Several of the different globin genes are expressed in humans, but at different times in development. What mechanism could allow for this?

Question

Quizplus · Accepted Answer

Differential gene regulation over time allows for different genes in multigene families to be expressed at different times during development. This regulation can occur at the transcriptional level, by activation or repression of promoters and enhancers, or post-transcriptionally, by splicing or degradation of mRNAs.

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