Gene therapy requires _____
A) knowledge and availability of the normal allele of the defective gene
B) the ability to introduce the normal allele into the patient
C) the ability to express the introduced gene at the correct level, time, and tissue site within the patient
D) knowledge and availability of the normal allele of the defective gene and the ability to introduce the allele into the patient
E) knowledge and availability of the normal allele of the defective gene, an ability to introduce the normal allele into the patient, and an ability to express the introduced gene at the correct level, and time, and tissue site within the patient
Answer: E
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Which naturalist proposed that many species that once existed are now extinct?
a. Cuvier b. Lamarck c. Darwin d. Malthus e. Wallace
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You notice that in your aquarium, previously full of undoubtedly male fish, one is laying eggs. Upon a bit of research, you find out that the species of fish you purchased is a sequential hermaphrodite. Which of the following is true?
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