Alice has type A blood and her husband mark has type B blood. Their first child, Amanda, has type O blood. Their second child has type AB blood. What is Alices genotype? Whats Marks genotype? Explain why.

Explain why phospholipid molecules form a bilayer. (3 marks)

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain