Calculate the Relative Genotype Frequency of MS/Ns, Given That the Genotype

Calculate the relative genotype frequency of MS/Ns, given that the genotype frequencies of MS/Ns and MS/Nu are 0.1999 and 0.0002, respectively. Gene frequency: MS, 0.2578; Ns, 0.3877; Nu, 0.0004.

A) 0.1999
B) 0.0009
C) 0.999
D) 0.2578