| Answer | Crossword Clue |
|---|---|
| ALLELE | Cause of hereditary variation |
| allelic | any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation |
| allele | any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation |
| alleles | any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation |
| allelism | any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation |
