Describe how the Marine Iguana adapted long nails?

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

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?