Answer:
Yes
Explanation:
Yes of course man , animals and plants contains both DNA and RNA and they have to be present in all because every organisms structure and function directly depends upon them..DNA contains the codes in which the information is hidden and this information is translated by RNA into proteins which plays a vital role in every ones metabolism and maintenance.Their are certain exceptions are also there these are Viruses which can either have DNA or RNA as their genetic material...Hope it helped :)