Answer: A) additive genes
Step-by-step explanation:
Additive genes are contribution of two of more genes to generate a single phenotype which gives combine effect of the genes .It does not have any dominant factor. Example-color of eye
According to the question, Vinaya's height is a creation of additive genes because she has got her height through equal sum collection of 180 genes .
Other options are incorrect because dominant genes ,recessive genes and non-additive genes do not create phenotype effect in which collaboration of genes have no domination or epistasis. Thus, the correct option is option(A).