Define alleles?

Alleles:

1. An allele is an alternative form of a gene.
2. It is located in a specific location on a certain chromosome.
3. The alleles are passed down from parents to the offspring through sexual reproduction.
4. They might be dominant or recessive.
5. These genes are types of hereditary units that code for a specific feature in an organism.

Example of alleles:

The dominant purple allele and the recessive white allele are two examples of alleles for the flower color in pea plants.