From HomoExcelsior

1. Tending to go backward or recede. 2. Of, relating to, or designating an allele that does not produce a characteristic effect when present with a dominant allele. 3. Of or relating to a trait that is expressed only when the determining allele is present in the homozygous condition. 4. A recessive allele or trait. 5. An organism having a recessive trait.

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