Answer: Shared characteristics are features or qualities that organisms or species have in common.
Shared characteristics can be characteristics that existed in the common ancestor and still exist in modern organisms.
Shared characteristics can be new characteristics that have been modified from what was found in the common ancestor.
Explanation:
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The cause of mutations in gene expressions are the changes of gene instructions that causes your protein to malfunction. The effect of mutations are the genes not being able to function properly and send the wrong codes/info to your cells.
