Why do humans
show variation?

gugkugcoytci6r

Explanation:

Causes of Variation:

Causes of differences between individuals include independent assortment, the exchange of genes (crossing over and recombination) during reproduction (through meiosis) and various mutational events. There are at least three reasons why genetic variation exists between populations.

PLEASE THANK, RATE AND FOLLOW ME,

AND PLEASE MARK ME AS "BRAINLIEST" ANSWER

HOPE IT HELPS YOU

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