what is the relationship between genes and alleles?

Question

here_to_help15 · Answer

this comes down to a matter of perspective. 

An allelle is a heritable unit whose existence can be deduced throught genetic breeding experimentation. 

A gene is the subunit of DNA that codes for a single protein. 
genes are discovered and described directy through the application of molecular biology techniques and DNA sequence analysis. 

A chromosome is a large strand of superclustered eukaryotic DNA that is the primary location of genetic information in a eukaryotic organism. Chromosomes contain genes. Chromosomes also contain structural and regulatory elements in addition to genes.