They are genes that resurface after many generations and they come in the form of features such as feral genitalia, multiple breasts or the more common atavisms like recessive genes from several generations up the family tree.
No-Yiff, overview
Mrs sharp looked up at the ceiling, her lips moving and her eyes squinting in calculation, "i already lost track of a family tree in such a scenario..." she said looking over at dalan, quite confused.
Canine, Coyote, Future, Interspecies, M/F, MILF, Romance, Yiff
They came in all shapes and sizes, bound together, not necessarily by blood, but by something more, something that cannot be explained by heredity or the lines drawn on a family tree, and that something was love. plain and simple.
Ander, Anthro, Clean, Fox, Novel, Story, Wolf
The bears wore massive braids of woven fur on their back, each detailing their family tree. the wolves wore not only their fur, but the died fur of beasts taken in the woods.
Bear, Cat, Crime, Horse, Hyena, Medieval, Moose, No-Yiff, Rat, Slavery, Wolf
Unfortunately, her suitors were unavailable today so she had to take care of herself this time.â the table in the living room had a secret compartment near its base.â she kept all her tangible secrets in there:â her real family tree
F/F, Knot, Masturbation, Solo, Transformation, Werewolf
Well anyway, as i'm watching my family tree grow significant new branches, i saw this, twinkle of stars out of the corner of my eye, at first i thought i was going insane!
Ambiguous Gender, Author, Commission, Dramatic, Family, Female, First Person, Free, Imaginary_friend, Male, Penguin, Ronn_the_penguin, Story, Unknown, creature, fun, writing
They actually evacuated all the way to this port town, setting their family tree. based on the memory i saw from your friend's descendant, i was able to see that he lived a happy life. and, well... here, look at this."
Chimera, Dragon, Food, SFW, Werewolf
The flicker of the family tree disappeared as quickly as it had shown itself: pictures, documents, and history all gone in a puff of mental smoke.
Death, Demon, M/M, Neko, flashback
Hell, given whatever grungy rodents are in your family tree, i bet you'll probably enjoy it."
he advanced on brian, his own paws out, blunt black claws flashing threateningly before they disappeared into a pair of angry fists.
Fighting, No-Yiff, School, Violence (Not In Yiff), bullying, swearing