The protein inside (a) red blood cells that carries oxygen to cells and carbon dioxide to the lungs is (b) hemoglobin. Hemoglobin is made up of four symmetrical subunits and four heme groups. Iron associated with the heme binds oxygen.
Hemoglobin in the blood that carries oxygen
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Answer:
what is the question
Explanation:
25% will be AA, another 25% will be aa, and 50% will be Aa
