Cough cough jungkook

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

As a small change in a person's dna can cause a genetic disorder

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible