Final answer:
GSD stands for Genetic Screening Diagnosis, which is the process of testing for suspected genetic defects before administering treatment.
Step-by-step explanation:
The acronym GSD stands for Genetic Screening Diagnosis. Genetic Screening Diagnosis refers to the process of testing for suspected genetic defects before administering treatment. It involves genetic testing to determine the presence or absence of disease-causing genes in families with specific debilitating diseases.