Answer:
The Y chromosome is present in males, who have one X and one Y chromosome, while females have two X chromosomes.Explanation:
The answer is B: the instructions for making some proteins are not specified by genes.
Answer: the <span>Permian–Triassic extinction event ; {"end of the Permian era"} .
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Your answer should be bacteria. can I get brainliest?
What are your choices?
EDIT
The answer you are looking for would be wood.
Hope I helped!!
