A human couple has a baby with blood type A. The mother is blood type AB, and the father has blood type B. This is an example of what type of inheritance?

Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?