Humans also have a polarizing region on the posterior side of their limb bud, and that side of the limb bud develops into the “pinky side” of the hand. what does that say about the evolution of morphogens?

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

Ausable water source is one that can be used by humans for drinking or agriculture. identify the water reservoirs as usable or unusable based on their current state. oceans rivers glaciers freshwater lakes groundwater

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