Answer:
21
Explanation:
there are supposed to be 2 chromosomes, not 3. This person has down syndrome.
The answer is microevolution.
Answer:
Explanation:
Red blood cells contain enormous amounts of a protein called hemoglobin. This iron-containing molecule binds oxygen as oxygen molecules enter blood vessels in the lungs. Hemoglobin is also responsible for the characteristic red color of blood.
Answer:
we cant see the statement
Explanation:
