how did Avery help build our understanding of genetics?
A. He showed that humans do not have DNA
B. He showed that viruses do not contain DNA
C. He showed that traits cannot be inherited.
D. He showed that DNA is a transforming factor.

Respuesta :

i believe it is D) He showed that DNA is a transforming factor.
because,
Humans DO have DNA
Viruses DO have DNA 
Traits CAN be inherited 
so the only one left is D) 

Answer:they showed that dna carries genetic material

APEX