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sertanlavr [38]
3 years ago
5

Something essential that a plant or animal obtains from the environment for growth

Biology
1 answer:
Ulleksa [173]3 years ago
3 0
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Explanation:

Point mutation is caused by exchange of a single nucleotide for another. These change is called

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2) Transversion (when a purine base substitute a pyrimidine base).

However, note that a point mutation can be easily reversed by another point mutation; so, the claim that a nucleotide difference in the Hsr12 gene caused the human disease is inaccurate

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The top of the food chain
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