Meaning of RECESSIVE GENE

WordNet Dictionary
	Definition:		[n]  gene that produces its characteristic phenotype only when its allele is identical; "the recessive gene for blue eyes"
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	See Also:		factor, gene
Biology Dictionary
	Definition:		A gene that is expressed only when it is present in two copies or if the other copy is missing.
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Glossary
	Definition:		Characterized as having a phenotype expressed only when both copies of the gene are mutated or missing. A gene which will be expressed only if there are 2 identical copies or, for a male, if one copy is present on the X chromosome.
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