How are phenotypes impacted by mutations

I guess phenotypes are not affected by mutations since mutations affect the gene structure of organisms while phenotypic characteristics are acquired through ones life time therefore no relationship between the two

answer; /// i believe that the correct answer is ( monophasic ); ethinyl estradiol- ethynodiol diacetate is a monophasic oral contraceptive agent; ///

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes