Answer:
It is by mating.
Step-by-step explanation:
You know how we all look like our parents. Well it is because some of their traits went from them to us through our DNA. So it makes us get their traits. Same with animals btw.
Answer: occurrence of viable errors during DNA replication
mutation of DNA by environmental factors
genetic recombination during meiosis
i had this question too this is the right answers based on study island :)
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