Answer: i beleive its B
Explanation: the reason i thinkj this is because genes are what make up a humans trates like if your mom and dad have black hair you are very likley to get black hair. And it says there the ALTERNATE version of a TRAIT so that would be your answer :) if im wrong please correct me
Answer:
I think it is D.
Explanation:
People who have a fast metabolism dont need it so whats the point, and the others are just random.
Biotechnology is: genetically modifying corn to grow more quickly
Respiratory system<span>, the </span>system in living organisms<span> that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements. In the </span>living organism<span>, energy is liberated, along with carbon dioxide, through the oxidation of molecules containing carbon..
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