Many of the traits an individual has, from eye color to the risk of having certain diseases, are passed from parents to their children via their genes. wtf genes are prolific dual poison-antidote meiotic drivers.
Related research article Nuckolls NL, Núñez MAB, Eickbush MT, Young JM, Lange JJ, Yu JS, Smith GR, Jaspersen SL, Malik HS, Zanders SE. A large gene family in fission yeast encodes spore killers that subvert Mendel’s law. Related research article Hu W, Jiang Z-D, Sou F, Zheng J-X, He W-Z, Du L-L.