Difference between Allele and Allelomorph

What is the difference between Allele and Allelomorph?

Allele as a noun is one of a number of alternative forms of the same gene occupying a given position on a chromosome. while Allelomorph as a noun is one of a number of alternative forms of the same gene occupying a given position on a chromosome

We hope you now know whether to use Allele or Allelomorph in your sentence.