Which of the Following Traits Would Be Inherited by the Organism's

Which of the following traits would be inherited by the organism's offspring?

A) A kangaroo is born with more acute hearing than others in its cohort.
B) A fish embryo exposed to a harmful drug early in development grows into an adult with stunted fins.
C) A tree has a twisted growth habit in a high-wind area.
D) An adult horse exposed to radiation has a mutation causing a pigmentation spot on its flank.
E) A flower growing in rich soil produces many brightly coloured flowers.