Question

question 3
what is true of mutations? select all that apply.
they are changes in a, t, g, c bases on dna
they can alter structure and function of a protein
they can be caused by carcinogens
they are always heritable
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Explanation:

Mutations are changes in the DNA sequence (A, T, G, C bases). They can alter the structure and function of a protein. Mutations are not always heritable (e.g., somatic mutations). While carcinogens can cause mutations, not all mutations are caused by them.

Answer:

They are changes in A, T, G, C bases on DNA. They can alter structure and function of a protein.