Human HLA-linked complement C4 gene products, C4A and C4B, show extensive genetic polymorphism. In both loci, an allele without a gene product, C4 null, is also observed. We have performed a ...

DNA methylation polymorphism among nine elite maize inbred lines was assessed by inter-simple sequence repeat (ISSR) fingerprinting on intact DNA and DNA digested by either of a pair of ...

The brain’s serotonergic system plays an important role in alcohol preference and consumption. New findings show that specific DNA sequence variations of the serotonin transporter gene can influence ...