19. Use your knowledge of biology to complete
the following table.
Digestive
End
Products
Where
Chemical
Digestion
Begins
End
Products
Absorbed
by
Nutrient
Starches
Simple
sugars
Villi
capillaries
Lipids
Small
intestine
Proteins
Amino
acids

4. multiple crosses were made between true-breeding lines of black and yellow labrador retrievers. all the f1 progeny were black. when these progeny were intercrossed, they produced an f2 consisting of 91 black, 39 yellow and 30 chocolate. a. propose an explanation for the inheritance of coat color in labradors. b. propose a biochemical pathway for coat color determination and indicate how the relevant genes control coat coloration.