Biological activities that occur within the cells of organisms give rise to various

The answer is metabolisms

Explanation:

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The biological activities that occur within the cells of organisms give rise to various metabolisms.

The metabolism is the set of chemical reactions and biological processes that occur in cells and therefore in living beings.

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

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nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides