Acidic solutions have excess H+ ion in solution
1.True
2.False
1
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True or false: A species is a fixed evolutionary unit
A. true B. false
Answer the following statements true (T) or false (F)
Genetic heterogeneity refers to mutations in different genes that cause the same symptoms.
When a farmer grows cotton containing the gene for Bt toxin, insects that are resistant (rr) survive and reproduce. This is an example of
A. genetic drift. B. dominance. C. natural selection. D. recombination. E. independent assortment.
The data below shows recombination of genes (1-5) according to the amount of time available for transfer of the bacterial chromosome during conjugation between different genetic strains in E coli. Based on these data, which gene is closest to gene 1? (Note: The entire chromosome is transferred in 100 minutes.) 
A. gene 4 B. gene 3 C. gene 5 D. gene 2