inheriting is when an inherited untypical from child to grandfather & vision of silence is an inherited untypical ->  offspring can inherit the sound of voice from their parents  offspring can inherit the sound of voice from their parents & people wreck grandfather & a mankind is a mean of plant ->  the offspring of a human can inherit the sound of voice from their parents  the offspring of a human can inherit the sound of voice from their parents & a female is a mean of woman grandfather & a mother is a mean of woman child -> a son can inherit the sound of voice from his father