Describe where an allele is located on a chromosome

Which is required for sexual fissiondiploid cell productionmeiosis

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

Explain why ecosystem diversity results in species diversity in a healthy biosphere