A large number of isoforms are caused by single nucleotide polymorphisms or SNPs, small genetic differences between alleles of the same gene; these occur at specific individual nucleotide positions within a gene.
A large number of isoforms are caused by single nucleotide polymorphisms. A large number of isoforms are caused by SNPs. Single nucleotide polymorphisms or SNPs are small genetic differences between alleles of the same gene. These occur at specific individual nucleotide positions within a gene.