試題詳解

8. Which are the characteristics of genetic analysis?
(A) Some of alleles can exhibit both recessive and dominant properties.
(B) Dominant alleles are often the consequence of a mutation that causes some kind of gain of function.
(C)Dominant mutations in certain genes are associated with a loss of function.
(D)Dominant negative produces a phenotype similar to that obtained from a loss-of function mutation.
(E)Recessive and dominant mutant alleles generally have opposite effects on gene function.