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Crossing over? That involves the random exchange of chromosomes.
Answer: doctor may be able to determine the cause by listening to your medical history and doing a physical exam. If necessary, they also can order a blood or urine test to help confirm a diagnosis, or a "culture test" of tissue to identify bacteria or viruses.
Explanation:
Answer:
3rd option
Explanation:
Eukaryotic cells have many chromosomes while most prokaryotic cells consist of just one circular chromosome.