In ( ), abnormal gene is not removed, and normal gene will be inserted into a nonspecific location within the genome
A. gene replacement
B. gene correction
C. gene complementation
D. gene addition
E. gene inactivation
查看答案
About the source of the target gene, which is not usually used ( )
A. artificially synthesized DNA
B. synthesis cDNA from mRNA
C. direct separation from eucaryotic chromosomal DNA
D. direct separation from bacteria chromosomal DNA
E. obtain from the gene library
Which is not true about palindrome structure ( )
A. recognition sequence of the restriction endonuclease
B. recognition sequence of some protein
C. side sequence of the gene
D. high repetitive sequence
E. have axis of symmetry
which is not the mechanism of oncogene activation ( )
A. point mutation
B. chromosome translocation
C. gene amplification
D. insertion of pre-virus
E. above is wrong
The first found viral oncogene is ( )
A. ras
B. sis
C. myb
D. src
E. myc
微信支付 
支付宝支付