The anser is C. recessive located on the X chromosome.
Answer:
Mammal
Explanation:
A mammal is any any animal that is warm-blooded, gets milk from its mother, and is born alive, etc. Therefore a Cetacean should be considered a mammal.
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The Centrosome is the organelle responsible for organizing the cell into two parts in preparation for cell division. It develops the spindle fibers used in cell division.
The solution is B.
Unoxygenated blood from veins enters the right atrium then it goes down to the right ventricle then out through the pulmonary artery to the lungs where it becomes oxygenated blood which then enters the heart through the pulmonary veins and it goes to the left atrium and then is pumped down to the left ventricle and out through the aorta to the arteries where it travels to different organs and becomes deoxygenated and then the cycle repeats itself.