This figure illustrates the results of selection for yeast strains that are well
ID: 254384 • Letter: T
Question
This figure illustrates the results of selection for yeast strains that are well adapted to either high-salt or low-glucose environments. Over the course of selection, many mutations have occurred in populations in both environments. If the Dobzhansky-Muller model applies to this experiment, what do you predict will happen if the two strains produce a hybrid?
This figure illustrates the results of selection for yeast strains that are well adapted to either high- salt or low-glucose environments. Over the course of selection, many mutations have occurred in populations in both environments. If the Dobzhansky-Muller model applies to this experiment what do you predict will happen if the two strains produce a hybrid? Adaptive mutation PMAT' is fixed Evolve in high salt 0.8 0.6 0.4 MKT PMAT MKT Cross PMAT PMAT YPMA Evolve in low glucose Adaptive mutation MKTI is fixed Click to view larger image. Matings between individuals from the two strains will have no difference in reproductive success compared to the controls. O Matings between individuals from the two strains will be completely unsuccessful. Matings between individuals from the two strains will have reduced reproductive success compared to the controls. Matings between individuals from the two strains will have greater reproductive success compared to the controls.Explanation / Answer
What do you predict will happen if the two strains produce a hybrid?
C) Mating between individuals from the two strains will have reduced reproductive success compare to the controls.
What type of speciation might be responsible for this speciation?
C) Allopatric speciation with the vicariance model
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