Matter cannot be created or destroyed in chemical reactions. This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants. Balanced chemical equations show that mass is conserved in chemical reactions.
Answer: farmers would choose animal traits by making them breed with each other making the baby a good source of help got the farmers and they can give them traits that will be used to give them specific jobs to do.
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Genetic code - everyone uses same 4 bases. gene expression depends on many other factors
Answer:
Contact
Explanation:
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