MoBio Beta Globin Gene and Gene Family Chapter 3

β globin gene

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Figure 3-F-2. Graphic view of the β globin gene, which consists of three exons and two introns, with a total length of 1.6 kb. This figure was obtained from NCBI.

Gene family

"Gene family" refers to a set of genes with homologous sequences. For example, H2A, H2B, H3 and H4 are in the same histone gene family. Their products have similar structures and functions. Another example is the β-globin gene family located on the chromosome 11.

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Figure 3-F-3. The β-globin gene family includes β, δ, Aγ, Gγ and ε. ψ is a pseudogene. HS1 to HS4 are regulatory elements.