Name at least three traits that are a result of polygenic inheritance.

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins

which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)

¿cómo demostraron los experimentos de griffith que un factor hereditario estaba involucrado en la transformación bacteriana?