<prompt> The function of a gene is determined by which of the following?Southern blotWestern blotInnoculating in transgenic miceInseing or knocking out gene  <response>: By inseing or knocking out genes, the impoance of specific genes on the genesis of disease and its effects on complex biological pathways in various tissues can be observed. Ref: Nutrition and Metabolism edited by Susan A. Lanham-New, Ian A. Macdonald, Helen M. Roche, 2011, Chapter Molecular aspects of nutrition 