If 2 heterozygous brown eyed parents had a kid what color would there kids eyes be?

brown

Explanation:

really logic both their eyes are brown. Its dominant.

Their kid would have blue eyes

Explanation: A brown eyed person may carry both a brown eye gene and a non brown eye gene, and any copy can be passed down to their children. If both parents are heterozygous they could produce a blue eyes child.

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.