Linkage disequilibrium is a measure of association between alleles of two different genes. if there two loci in an organism (A and B) and two alleles at each of these loci (A1, A2, B1 and B2) linkage disequilibrium (D) is calculated as D = f(A1 B1)*  f(A2 B2) - f(A1B2) * f(A2B1) (where f(X) is the frequency of X in the population)

Linkage disequilibrium is a measure of association between alleles of two different genes. if there are two loci in an organism (A and B) and two alleles at each of these loci (A1, A2, B1, and B2) linkage disequilibrium (D) is calculated as D = f(A1 B1)* f(A2 B2) - f(A1B2) * f(A2B1) (where f(X) is the frequency of X in the population) Consider the following statements A. If two alleles were found together in organisms more often than would be expected, the alleles are in linkage equilibrium B. Location of a gene on a chromosome] D varies between-1/4; the greater the deviation from zero, the greater the linkage. The sign is simply a consequence of how the alleles are numbered C. Linkage disequilibrium can be the result of the physical proximity of the genes. Or, it can be maintained by natural selection if some combinations of alleles work better as a team Which of the following statement is correct? A. If two alleles were found together in organisms more often than would be expected, the alleles are in linkage equilibrium B. Location of a gene on a chromosome] D varies between-1/4; the greater the deviation from zero, the greater the linkage. The sign is simply a consequence of how the alleles are numbered C. Linkage disequilibrium can be the result of the physical proximity of the genes. Or, it can be maintained by natural selection if some combinations of alleles work better as a team

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