From what i have read up on in the past, They can but they don't really think with a "voice" in their head if that makes sense.
Answer:
2) DNA Makes Up Our Body Structure Like Muscle
Explanation:
There Are Pairs In Our DNA That Determine Certain Physical Features Or Traits. ( These Are Called Gene's ) The Genes That You Have In Your Body Right Now, Makes Up Your Genotype. This Genotype Then Determines Your Physical Appearance, Which Is Called Your Phenotype!
C Chromosomes break at centromeres,and sister chromatids move to opposite ends of the cell.