well a heterotroph is an organism that cannot make its own food and human are heterotrophs because we depend on different plants and animals to eat and autotrophs are organisms that can provide food for them selves and plants can do that so really the the analogy is comparing heterotrophs to autotrophs
A woman who is a carrier of hemophilia marries a man affected with hemophilia. what percentage of their sons and daughters is expected to have hemophilia? - 50% of sons and 50% of daughters