Which statement about the interaction between genes and environment is most correct?
A. Phenotypic variation is derived from a single source.
B. The phenotype, once determined, is invariable.
C. The phenotype is produced by interaction of genotype and the environment.
D. The phenotype can be quantified into genotypic and environmental components.
E. None of these is true.
C
You might also like to view...
Which of the following is NOT a part of the MAP kinase pathway? (Select all correct choices.)
A. A receptor kinase is activated by binding to a growth factor and phosphorylates receptor cytoplasmic domains. B. The activated receptor kinase dimer activates the RAS protein to bind to a GTP. C. The activated RAS protein activates protein kinases in the signal-transduction pathway. D. A series of protein kinases amplify the signal to the nucleus where genes responsible for cell division are switched on. E. A pyrophosphatase enzyme terminates the cellular response.
The results obtained when the linker was cloned between -50 and -100 indicate that
A. this region is not critical for transcription but can enhance transcription B. the assay failed C. when cloned in this region the linkers had a transacting effect D. the results of the assay were variable and this is just due to random variation in the assay Bloom's Level:
The central column of conductive tissue in the root system is known as a(n) ________
a. vascular cylinder b. endodermis c. epidermis d. root cortex e. pericycle
Chloroplasts can make carbohydrate in the dark if provided with
a. ATP, NADPH and CO2 b. an artifically induced proton gradient c. organic acids or four carbon compounds d. a source of hydrogen e. photons and CO2