I believe the answer is sister chromatids in a chromosome.
To be exact 23 pairs of sister chromatids.
Hope this helps .
CPT Code 62270
CPT Code 62270 is under Injection, drainage or aspiration procedures of the spine and spinal cord. This is fitting for the patient who has had a diagnostic lumbar puncture where a small amount of cerebrospinal fluid is removed for laboratory testing.
Answer:
7.false 8.commensalism 9.last one
Explanation: