Nawa chromosomes ne a cikin kwayar halittar ɗan adam?
Amsar ita ce: 23 chromosomes.
Kwayoyin jima'i na ɗan adam sun ƙunshi chromosomes 23. Wadannan chromosomes suna cikin tsakiya na tantanin halitta kuma suna da alhakin watsa bayanan kwayoyin halitta daga wannan tsara zuwa wani. Lokacin da gamete namiji ya haɗu da gamete na mace, yana samar da tantanin halitta mai ɗauke da chromosomes 46. Kowane chromosome ya ƙunshi nau'i-nau'i na kwayoyin halitta, kuma waɗannan kwayoyin halitta sun ƙunshi bayanan da ke ƙayyade halayen 'ya'yan. Chromosomes sune asalin rayuwa saboda suna da alhakin watsa bayanan kwayoyin halitta. Idan babu su, babu rayuwa.
