The table below shows the DNA sequences of the Hox gene in four different organisms. according to the table which is which of the following pairs is most likely to have a shared common ancestor?

Which best explains how this maneuver unblock a person's airway?

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy  ´  rryy? 

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?