When the number of trinucleotide repeats in a gene is significantly above normal, it can produce a mutant phenotype
a. True
b. False
True
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A human gene is composed of numerous fragments of protein-encoding information known as _______.
A. DNA B. mRNA C. exons D. introns
B. thuringiens bacteria is a remarkable resource for researchers and farmers alike when it comes to pest control. Why? Select all correct choices
A. It contains a Ti plasmid. B. It produces insect toxins. C. It is responsible for crown gall disease and can be used to kill parasitic plants. D. Its genes can be used to genetically engineer plants. E. It produces cardenolides.
What theory connects the ideas of microevolution, macroevolution, natural selection, and genetics as they relate to the evolution of species?
a. the theory of evolution b. the theory of decent with modification c. genetic drift d. modern synthesis
The primary reason for climatic differences from one
part of the world to another is a. differences in atmospheric pressures. b. differential absorption of solar energy. c. prevailing wind currents. d. differences in humidity. e. variation in cloud cover.