A dominantly inherited trait affects a child and his

34. A dominantly inherited trait affects a child and his grandmother, but
neither parent. This best illustrates which of the following principles?
A. Variable expressivity
B. New mutation
C. Somatic mosaicism
D. Nonpenetrance
35. Which of the following enzyme is used to cut DNA molecule in rDNA
technology
36. The DNA molecule to which the gene of insert is integrated for
cloning is called
37. The mechanism of intake of DNA fragments from the surrounding
medium by a cell is called
38. The extra chromosomal, self-replicating, double stranded, closed,
circular DNA molecules are called
A. Plasmids
B. Phages
C. Viruses
D. Virions
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39.
A gene for insulin has been inserted into a vector for the purpose of
obtaining its protein product only. Such a vector is called
40. Library screening identify colonies which have specific 41. A collection of total genomic DNA from a single organism is called
42. Which of the following statements may be an ethical issue
surrounding genetic engineering in humans?
A. Gene therapy may be used to create super humans.
B. The cost of gene therapy may be too expensive for some people.
C. Gene therapy may be dangerous to humans.
D. There is nothing to ensure that scientist do not create harmful genes.
43. It is theoretically possible for a gene from any organism to function in
any other organism. Why is this possible?