Information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring.
Intelligence is primarily a genetically inherited trait.
Intelligence primarily comes from chromosomes being passed down. .
Intelligence primarily comes from what being pass down?
Options:
(1) surname
(2) Proteins
(3) books
(4) education
(5) animals
(6) Chromosomes
(7) gene flow
(8) satellites