It is unethical for a doctor to . release patient information without consent
use genetic testing to diagnose genetic disorders
release patient information with the consent
treat patients with genetic disorders

release patient information without consent

Explanation:

The information obtained from patient during the process of diagnosis should be kept under confidentiality between the hospital staff or doctor and the patient. The information can be disclosed without patient's consent in two conditions- if the disclosure is necessarily required by law or in case of public interest. Except these two conditions if the information is disclosed without the patient's then the practice will be considered as unethical.

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some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.