All of the following are true except:

A. Each cell in an organism possesses a different set of DNA depending on the cell's function.
B. There is only about 1 error for every billion nucleotides copied during DNA replication.
C. Ribosomes are made up of a kind of RNA called rRNA.
D. One gene may code for more than one trait.

Cells in multicellular organisms contain the same DNA but express different genes for specialized functions. Ribosomes consist of rRNA, and genes can code for multiple traits.

Explanation:

Each cell in an organism possesses a different set of DNA depending on the cell's function. This statement is false because all cells in a multicellular organism contain the same DNA, but they express different genes to perform their specific functions. Ribosomes are made up of a kind of RNA called rRNA. This statement is true, as ribosomes are composed of ribosomal RNA. One gene may code for more than one trait. This statement is true because certain genes can influence multiple traits or phenotypic characteristics.

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