Heritable modifications could have unintended and far-reaching consequences for human evolution, genetically (e.g. gene/environment interactions) and culturally (e.g. social Darwinism). Altering of gametocytes and embryos to generate inheritable changes in humans was defined to be responsible.
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Viral vectors carry the risks of toxicity, inflammatory responses, and gene control and targeting issues.
A. 对
B. 错
Some commonly occurring disorders, such as heart disease, high blood pressure, Alzheimer's disease, arthritis, and diabetes, are affected by variations in multiple genes, which complicate gene therapy.
A. 对
B. 错
Some therapies may breach the Weismann barrier (between soma and germ-line) protecting the testes, potentially modifying the germline, falling afoul of regulations in countries that prohibit the latter practice.
A. 对
B. 错
Alipogene tiparvovec or Glybera, e.g., at a cost of $1.6 million per patient, was reported in 2016 to be the world's most expensive drug.
A. 对
B. 错