Having chromosomes that contain an identical pair of genes that do not code for the same trait form

where is the scientific experiment?

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

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d. organisms have cells with different shapes and functions.

the answer is c because it is most logical.