Answer: Dinosaur
Explanation:
Dinosaurs have been thriving for about 165 million years on earth. They were gone about 65 million years ago. At the end of the Cretaceous Period, a asteroid 10 miles wide crashed into the Gulf of Mexico about 66 million years ago. Like that the dinosaurs went extinct but the birds who managed to survive.
Answer:
25%
Explanation:
If both parents have dominant recessive genes there is a 25% chance a child will have sickle cell anemia.
Answer: They cannot bend or move easily, they are not flexible as normal cells and they can block the blood flow.
Explanation:
Sickle cell or sickle cell disorder( SCD) is a group of red blood cell disorders that are inherited and they cannot bend or move easily in a human body.
A Normal cell is round-shaped and normal cells can move through blood vessels. they are carrying oxygen to all parts of the human body and sickle-shaped cells cannot do that. A Sickle-shaped cell can block that blood flow and it can cause many problems and diseases in the human body.
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