which of following do not belong to pathogenic variations of the endogenous genes ( )
A: gene amplification
B: abnormal gene expression
C: invasion of the foreign genes
D: gene arrangement
E: point mutation
A: gene amplification
B: abnormal gene expression
C: invasion of the foreign genes
D: gene arrangement
E: point mutation
举一反三
- Among the following genes, ( ) is the housekeeping gene. A: Ribosomal protein gene B: Hemoglobin gene C: Insulin protein gene D: Ovalbumin gene
- Reporter genes can be used to indicate not only the amount of gene expression, but also the sites of the expressed proteins.
- Happiness is _________.( ) A: genetic B: genes C: genetics D: gene
- Operator: ( ) A: An operator is a DNA region that is working with promoter for genes to express. B: An operator is a DNA region at 5’ of a gene for a repressor to bind to prevent gene expression. C: An operator is a repressor protein to help genes to express. D: An operator is a repressor protein to inhibit genes to express.
- The observation that some genes are mosaics of other genes can be explained by ______. A: evolution B: drift C: exon shuffling D: gene duplication E: pseudogenes