What is J GENE?

J exon. A short sequence of DNA coding for part of the hypervariable region of immunoglobulin light or heavy chains near to the site of joining to the constant region. There are several possible J exons of which any may be used. The gene for the beta chain of the T-cell antigen receptor also includes a different J exon which has similar variability,

Link to This Definition

Did you find this definition of J GENE helpful? You can share it by copying the code below and adding it to your blog or web page.
Edited and fact checked by Pam: Google +