During mitosis, duplicated chromosomes (each consisting of a pair of sister chromatids) that formed during interphase separate within the parent cell and are distributed to two identical daughter nuclei.
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