If you have one sickle cell gene, you have sickle cell trait and you will not develop the sickle cell disease. If you inherit two sickle cell genes, you have sickle cell anemia.
Answer:
D. somewhat small, holding only about seven items at one time.
Chloroplasts (takes in the sun's energy to make food for the plant). Cell membrane (It helps the plant stand up because plants don't have spines like us).
Adaption usually. A great example of adaptation, or natural selection is Darwins finches.
