A form of inheritance where neither allele is dominant over the other and both alleles are expressed.

oxygen +1 most likely

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.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.