How is a gene related to an allele? a gene is made up of distinct parts called alleles; most genes have at least 100 alleles within them
the allele is the name of the chromosome that holds a specific gene; females have more alleles than males do

an allele is a possible version of a gene, such as A, B, or o for blood type

an allele is the name given to a gene that has been handed down as a double-diploid