Linkage disequilibrium is defined by which of the following?

A、thenonrandomassociationbetweenallelesinahaplotype;
B、positionsinthegenomewherepeoplevarybyasinglenucleotidebase;
C、theprobabilitythattwogenesarelinked;
D、theoccurrenceoftwoallelesintherepulsionconfiguration;
E、crossingoverthatoccursbetweentwogenesthatarelocatedclosetoeachother