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:
its gives us oxygen witch most thing take to stay alive
John and Pat's occupation best explains the difference between their skin pigmentation. Since Pat works as a lifeguard, she is more exposed to the sun, which tans her skin. John, on the other hand, works in the theater, where he isn't exposed to sunlight that much, so he is much lighter than his twin, Pat.
Answer:
B. They can bear extreme temperatures.
An advantage that cold-blooded animals have compared to warn-blooded ones is They can bear extreme temperatures.
Explanation:
Eukaryotic cell
Eukaryotic cells have DNA, and prokaryotic cells do not.
Eukaryotic cells have both membrane-bound organelles and nuclei, while prokaryotic cells have neither
Prokaryotic cell
Prokaryotic cells have membrane-bound organelles, and eukaryotic cells do not.
Prokaryotic cells have nuclus and eukaryotic cells do not.