Blood group AB because the child’s father have pathogen a and mother has both pathogens hence the child will have both pathogen from both parents hence blood group will be AB
When we discuss superposition in biology term then its principle tells that one by one rocks or sediments settles.The superposition mean that the older rocks or sediments place below all newly coming sediments or rocks place on first layer so layer over layer formation is called superposition.
<h3>option A is the correct one </h3>
hope this helps you out
A nucleotide or a nucleic acid either one :)
Here are at least 2:distribution,and Mating Patterns.