The answer is wavelength. It is the distance between corresponding points of two consecutive waves (corresponding points are particles or points in the same phase, meaning the points have completed identical fractions of their periodic motion. In a transverse wave it is the distance between two successful crests or troughs while in a longitudinal wave is the distance between two successful compressions or rarefactions.
It is unclear why this question is so long. Really, the important part is: 'why would a bone marrow transplant help someone whose red blood cells had a genetic defect?'. The answer is that bone marrow is responsible for generating red blood cells, white blood cells and platelets. Bone marrow is the tissue found inside your bones. This tissue contains stem cells which develop into the different blood components mentioned above. Replacing the bone marrow would overcome the problem of a genetic defect of the blood.
Answer:
the closer they are on the same branch, the more related they are
Explanation: