In cats the allele for orange stripes (OO) is co-dominate with the allele for black stripes (BB). Cross a cat with orange stripes with a black-striped cat. Parents:

genotypic ratio:

phenotypic ratio:

what percentage of the offspring will have black and orange stripes:

fumikage isn't really a bird, and tsuyu does have teeth. tsuyu has a transformation quirk which still allows her to be partially human. otherwise we'd have a large frog running around. fumikage has teeth because again, he isn't a bird. his head was a quirk mixture if i'm correct.