According to one reference, how simpler cells could develop into more complex cells is “often rated the second major evolutionary mystery, after the origin of life.”
Enye incwadi ithi, kwimfundiso yokuba izinto zazivelela, into yokuba kuthiwe iiseli ezingenabugocigoci zinokujika zize zibe ziiseli ezintsonkothileyo, “sisintsompothi sesibini, esilandela esi sokuzivelela kobomi.”jw2019 jw2019