Abstract
The polymorphism of A781G locus of the growth hormone (GH) gene was analyzed in 112 Vembur sheep. HaeIII – RFLP of the GH gene (422bp) revealed the existence of two genotypes viz., AA (366 and 56bp) and AB (422, 366 and 56bp), and two alleles viz., A and B. Genotypic frequencies for AA and AB were 0.43 and 0.57, and allelic frequencies were 0.71 and 0.29 for A and B respectively. BB genotype was absent. Highly significant Chi-square value (P<0.001) showed that the population is not under Hardy–Weinberg equilibrium at the A781G locus. This indicates that molecular markers associated with embryonic survival are to be explored for their use in MAS in Vembur population.
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