<prompt> Commonest among diseases with Mendelian inheritance is -Autosomal dominantAutosnmal recessiveX-linked recessiveX-dominant  <response>: Ans. is a i.e., Autosomal dominant It is estimated that the combined incidence of mendelian inheritance autosomal dominant, autosomal recessive, x-linked in man is about 1 of all live born individuals. a As many as 793 autosomal dominant phenotypes. 629 autosomal recessive traits and 123 sex linked diseases have been catalogued to date. 