Which of the following statements about gene therapy is not true? * a. functioning genes are used to replace mutated genes. b. gene therapy can cure any disease. c. somatic gene therapy only works on individuals. d. gene therapy is another form of artificial selection.

Which osmotic and ionic strategies must marine teleost fishes employ?

Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth