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mason_wills

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While examining a human cell that functions normally, you determine that it has 45 functional chromosomes and one chromosome that is almost completely inactive. You immediately decide that it is very likely that this cell ______.
A) will become cancerous if one or two more genes are mutated
B) is a red blood cell
C) is a gamete
D) came from a normal human female

Developmental similarities among very different animals can be attributed to ______.
A) similar anatomical structures
B) similar gene operons
C) shared homeoboxes
D) similar nutritional needs
E) similar prenatal environments
 
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