the two main skeletal systems to support the tissue of the body is bone and cartilage
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The andswer to the question is Endocrinology!
Answer:
Some mutagens strip DNA nucleotides (bases) of essential modifications—for example, they deaminate the bases—such that these bases resemble different nucleotides and confuse the DNA replication machinery. Subsequent rounds of DNA replication then permanently incorporate such changes.
Explanation: