Four genes (A, B, C, D) are in the same chromosome in the sequence D, A, B, C. The distance between A and B is 4 map units, between A and C is 6 map units, between B and C is 2 map units, and between B and D is 5 map units

The recombination frequency between
genes C and D should be
A. 2%
B. 4%
C. 5%
D. 6%
E. 7%


E

Biology & Microbiology

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The first bacterium that was clearly identified as the cause of an infectious disease was:a

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Biology & Microbiology

Some ecologists have proposed that gaps created by disturbances lead to habitat heterogeneity, which, in turn, leads to the coexistence of greater numbers of tree species in tropical habitats, as compared to temperate habitats. Which of the following hypotheses is most closely associated with this proposal?

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Biology & Microbiology