A scientist is researching Alzheimer’s disease. He is studying what type of disease? A. Multifactorial diseases
B. Chromosomal diseases
C. Somatic diseases
D. Single-Gene diseases

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d