What situation results from a postfertilization barrier to reproduction?
A) mutations in genes that control development
B) offspring that fail to develop
C) mechanical isolation of a species
D) gamete incompatibility
B
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Which of the following is least likely to be the result of a mutation in the promoter of a gene?
A. The level of expression of that gene increases. B. The level of expression of that gene decreases. C. The protein sequence of the gene product is altered. D. The level of expression of that gene remains the same.
Plants are able to generate all of the substances they need for their metabolism using energy from the ____
a. soil b. air c. root d. Sun e. rain
Most of Darwin's observations about changes in species over time and in different environments took place in and near
A. Africa. B. Greenland. C. South America. D. Asia. E. North America.
One area where genomics has been applied to systems biology is the study of metabolism, by using genome sequencing and annotation to lead to predictions that can be tested by transcriptomics, proteomics, and metabolomics.
Answer the following statement true (T) or false (F)