Ayyukan genomics na nufin nazarin ayyuka da mu'amalar dukkan kwayoyin halitta da sauran abubuwan da ke cikin kwayar halittar kwayar halitta, da nufin fahimtar yadda suke ba da gudummawa ga ilimin halittar kwayoyin halitta da halayyarsu. Wannan fanni ya haxa dabarun nazarin halittu na kwayoyin halitta, kwayoyin halitta, da nazarin halittu don ganowa da kuma siffanta kwayoyin halitta, yanayin bayyanar su, da kuma sinadarai da suke samarwa, da kuma nazarin yadda wadannan abubuwa ke aiki tare don baiwa kwayoyin halitta damar gudanar da ayyukanta daban-daban. Babban makasudin ilimin genomics na aiki shi ne samar da cikakkiyar fahimtar yadda kwayoyin halittar halittu ke kunshe da hadadden ilmin halitta na kwayoyin halitta, da kuma amfani da wannan ilimin wajen inganta lafiyar dan Adam da kuma bunkasa fahimtar kimiyya.