A reciprocal cross is a breeding experiment in which two different organisms are crossed, and then the sexes of the parents are reversed in a second cross. This allows researchers to determine if the inheritance pattern is influenced by the sex of the parent.
For example, let's consider a reciprocal cross between a male dog (A) and a female cat (B). In the first cross, the male dog (A) is crossed with the female cat (B), resulting in offspring AB. In the reciprocal cross, the female dog (A) is crossed with the male cat (B), resulting in offspring BA. By comparing the traits and characteristics of the AB and BA offspring, researchers can determine if there are any differences in inheritance patterns based on the sex of the parent.