Huntington's disease is caused by a dominant allele. if one of your parents had the disease, what is the probability that you, too, will have the disease?

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?