reciprocal

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reciprocal

/re·cip·ro·cal/ (re-sip´ro-k'l″)
1. being equivalent or complementary.
2. inversely related; opposing.

reciprocal

(rĭ-sĭp′rə-kəl)
adj.
1. Physiology Of or relating to a neuromuscular phenomenon in which the excitation of one group of muscles is accompanied by the inhibition of another.
2. Genetics Of or designating a pair of crosses in which the male or female parent in one cross is of the same genotype or phenotype as the complementary female or male parent in the other cross.

re·cip′ro·cal′i·ty (-kăl′ĭ-tē), re·cip′ro·cal·ness (-kəl-nĭs) n.
re·cip′ro·cal·ly adv.

reciprocal

(rĭ-sĭp′rō-kăl) [L. reciprocus, alternate]
Interchangeable.

reciprocal

mathematically the reciprocal of x is 1/x. See also translocation.

reciprocal crosses
matings of two phenotypes in which both the male and the female of both phenotypes are crossed, usually to detect sex linkage.