Common Ancestry

AP Biology· difficulty 2/5

The near-universality of the genetic code is evidence for

A
$Rapid horizontal gene transfer among lineages$
B
$Convergent biochemistry across all kingdoms$
C
$A common ancestor of all life on Earth$
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D
$Independent origins of life on Earth$

Explanation

Sharing the same code is most parsimoniously explained by inheritance from LUCA (Last Universal Common Ancestor).

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