In the derived diallelic classification, the most common genotype observed was that for the homozygous medium allele (n = 655, 82.39%) followed by the heterozygous (n = 116, 14.59%) and the least common was for the homozygous long allele (n = 24, 3.02%). The genotype frequencies for the derived classification of the M and L allele were found to deviate from the HWE (p = 0.013) contributing to the observed low mean heterozygosity value of 0.15 (Table 3). The deviation may also be the outcome of the cut-off values used in assigning the M and L alleles.