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Biotechnology - 63
Which of the following statement is correct? A. Variation is caused by genes B. Variation is caused by the environment C. Variation can be caused by both genes and the environment D. None of the above Which of the following gene have been introduced into the transgenic fish? A. Human or rat gene for growth hormone B. Chicken gene for delta crystalline protein C. E. coli gene for β-galactosidase D. All of the above.. Cloning is a method by which numbers of genetically identical organisms are derived from a single organism by A. vegetative propagation B. vegetative initiation C. vegetative termination D. none of these Which of the following is/are the method of transfection for making transgenic animals? A. Transfer of whole nuclei B. Transfer of whole individual chromosomes or fragment C. Transfer of DNA...
Thời gian bắt đầu: Hôm nay lúc 19:07:35(Server time)
Số câu hỏi: 10.   Tổng điểm: 10
Thời gian làm bài: 20 phút.  Thời gian còn lại: 
Cỡ chữ câu hỏi:  Cỡ chữ đáp án:
1-
Which of the following statement is correct?
A-
Variation is caused by genes
B-
Variation is caused by the environment
C-
Variation can be caused by both genes and the environment
D-
None of the above
2-
Which of the following gene have been introduced into the transgenic fish?
A-
Human or rat gene for growth hormone
B-
Chicken gene for delta crystalline protein
C-
E. coli gene for β-galactosidase
D-
All of the above
3-
Cloning is a method by which numbers of genetically identical organisms are derived from a single organism by
A-
vegetative propagation
B-
vegetative initiation
C-
vegetative termination
D-
None of these
4-
Which of the following is/are the method of transfection for making transgenic animals?
A-
Transfer of whole nuclei
B-
Transfer of whole individual chromosomes or fragment
C-
Transfer of DNA
D-
All of the above
5-
DNA microinjection into the egg has been used to produce which of the following transgenic animals?
A-
Mice
B-
Chicken
C-
Pigs
D-
All of these
6-
Transgenic goats produce a variant of human tissue type plasminogen activator protein in
A-
blood
B-
urine
C-
milk
D-
muscles
7-
For the rapid genetic progress, embryo transfer (ET)
A-
will be as potent a tool as AI (artificial insemination)
B-
will not be as potent a tool as AI (artificial insemination)
C-
ET can't be used at all
D-
will be a superior tool than AI
8-
Enucleation of the cells can be achieved by treating the cells with
A-
polyethylene glycol
B-
cytochalasin B
C-
alcohol
D-
Both (a) and (b)
9-
When the cells are enucleated and centrifuged, nuclei
A-
detach from cell and settle at the bottom
B-
detach from cell and remain in the supernatant
C-
nuclei remain attached to the cell
D-
None of the above
10-
Superovulation is an
A-
increased ovulatory response by external hormonal therapy
B-
decreased ovulatory response by external hormonal therapy
C-
decreased ovulatory response by internal hormonal therapy
D-
increased ovulatory response by internal hormonal therapy
[ Thành Lãm - ST ]

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