Genes are found on DNA, which make(s) up the chromosomes, found in nucleus.
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Answer:
You would find the greatest variety of species in the tropics, and coral reefs. The Amazon basin in South America has the largest area of tropical forests where you could find the most variety of species.
Explanation:
Each new dna double helix consists of one old dna strand and one new dna strand, daughter dna
Answer:
Almost all the animals can heal wounds, but only some can regenerate. One hypothesis is that certain regeneration-specific genes are expressed exclusively in regenerative species and evolutionarily lost in nonregenerative species.
Explanation:
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The mesenteric veins and the hepatic portal vein
