Transgenic Organisms Are Used to Clarify Which Gene May Be

question 8

Multiple Choice

Transgenic organisms are used to clarify which gene may be responsible for a mutant phenotype because

• A)individuals with a mutant phenotype can carry mutations in more than one gene.
• B)the genes that cause diseases are always dominant.
• C)the genes that cause diseases are always recessive.
• D)strains used to create transgenic organisms carry no mutations and all their genes are wild-type.