The most common clinical autosomal disease is ___（）
A. Down syndrome
B. Edward syndrome
C. Turner syndrome
D. 5p syndrome
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The etiology of ____ is not the dynamic mutation of DNA（）
A. fragile X syndrome
B. huntington disease
C. thalassemia
D. myotonic dystrophy type 1
The theories about the cell senescence include____（）
A. Mitochondrial ageing
B. Reactive oxygen species （ROS）
C. Replicative ageing and telomere shortening
D. The evolutionary theories of senescence
细胞学说的创始人是（）
A. R．Hook
B. Schleiden
C. and Schwann
D. C．R．Ｂrown
E. D．W．Flemming
F. E．C．Darwin
which does not belong to the post-translational regulation of gene expression（）
A. protein ‘s acetylation
B. protein ‘s phosphorylation
C. protein ‘s methylation
DNA methylation
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