Help me with my anatomy homework

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

This is so important ugh its 25 points

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides