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The process of making multiple copies of a gene by inserting it into a host genome and culturing the host is an example of ______.


A) gene cloning
B) industrial genetic engineering
C) gene amplification
D) gene pharming

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In human gene therapy,


A) normal versions of genes are transferred to patients who carry a mutated allele.
B) harmless bacteria make important proteins for humans that cannot produce these proteins on their own.
C) bacterial plasmids are used to transfer genes to human patients.
D) genetically engineered alleles, usually from other species, replace mutated alleles.

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Approximately what percentage of the human genome consists of noncoding DNA?


A) 98%
B) 87%
C) 77%
D) 67%

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The state of human gene therapy today is that


A) the work that has been completed so far is purely theoretical, but some treatments are in development.
B) there have been a small number of successes, including with the disease SCID.
C) human gene therapy is used routinely in the treatment of certain rare cancers.
D) human gene therapy is used to treat a wide variety of conditions, including diabetes, cancer, and bone marrow diseases.

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