Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Kil'ayim (: , lit. "Mixture" or "Confusion") is the prohibition of crossbreeding seeds, crossbreeding animals, and . Shatnez (or Shaatnez; a atnez ) is the prohibition in derived from the that prohibits the wearing of a fabric containing both and (); this forbidden mixture is referred to in as shatnez. The relevant parts of the Torah ( 19:19 and 22:5, 22:9 11) prohibit an individual from wearing wool and linen fabrics in one garment, the interbreeding of different species of animals, and the planting together of different kinds of seeds (collectively known as kilayim).