cis configuration

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cis con·fig·u·ra·tion

1.
2. the property of two or more sites on the same molecule of DNA.
Farlex Partner Medical Dictionary © Farlex 2012

cis configuration

Having both of the dominant ALLELES, of two or more gene pairs, on one chromosome, and the recessive alleles on the other (HOMOLOGOUS) chromosome.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005