A locus is 

A. an alternative form of the gene for a particular characteristic.
B. the gene that, when present with its allele, expresses itself.
C. the spot on a chromosome where an allele is located.
D. the concept that a number of different pairs of alleles may combine their efforts to determine a characteristic.


C. the spot on a chromosome where an allele is located.

Biology & Microbiology

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