Mutations that completely abolish the function of a wild-type allele are
A) null mutations.
B) hypomorphic mutations.
C) hypermorphic mutations.
D) conditional mutations.
E) neomorphic mutations.
A) null mutations.
Mutations that completely abolish the function of a wild-type allele are null mutations.
You might also like to view...
mtDNA stands for _______ and cpDNA stands for _______
A. extranuclear DNA, cytoplasmic DNA B. maternal DNA, paternal DNA C. marked DNA, copied DNA D. nuclear, cytoplasmic E. mitochondrial DNA, chloroplast DNA
All cells in our body (e.g., a neuron or muscle cell) possess a type of protein that the immune system uses to identify them as our own cells. This protein is
A. CD4. B. lactoferrin. C. MHC I. D. MHC II. E. antigen.
The natural habitat of Mycoplasma spp., which causes infectious disease in humans, can best be described as the:
a. mucous membranes of humans. b. aquatic environment. c. natural environment. d. genitourinary tract of animals.
What is the response of a plant to the proportion of light and dark in a day?
What will be an ideal response?