Answer:
because they can donate blood to anyone
Explanation:
Answer:
The answer for the third picture I believe is decomposers
Answer:exposure to radiation
natural errors in cellular process
Subjection you’re Xrays
Explanation: if gametes aren’t being separated or divided you can of course have chromosome mutation. Also, exposure to certain chemicals, or radiations Will also cause chromosome mutations.
Answer:
helping creating the double helix
