"the original gene for the production of a human hormone was most likely removed from a
(1)chromosome
(2)ribosome
(3)mitochondrion
(4)cell membrane
"

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )

the correct answer is b

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

yes it is weird but true