DNA

Script: Emakhromozomu la-46 ezayigothi amelele sigaba sekucala lesingakavami sesitfombe semfanekiso lophelele weluhlelo lwelufuto lwemuntfu lomusha. Loluhlelo lolukhulu lolu luhlala ngekhatsi etinhlayiyaneni letisongekile tacina letibitwa ngekutsi yi-DNA. Ticuketse telayeto letimayelana nekwakheka kwawo wonke umtimba.

Tinhlayiyana te-DNA tifana nesitebhisi lesishwilekile lesatiwa ngekutsi yi-double helix. Letenyuko talesitebhisi tentiwe ngetinhlayiyana letihamba ngatimbili, kumbe emabheyisi, labitwa ngekutsi yigwanayni, sayithosin, adenayni, ne-thaymin.

Igwanayni ihambisana ngakubili nesayithosin kuphela, kutsi i-adenayni yona ihambisane nethaymin.