Based on this figure, which type(s) of bacteria would you expect to be isolated from the dead mouse in the final experiment (involving the mixture of bacterial strains)?

A) Living R-strain only
B) Heat-killed S-strain only
C) Living R-strain and heat-killed S-strain only
D) At least some living S-strain

The bacteria type that would be isolated from the dead mouse in the final experiment would be at least some living S strain, according to Griffith's transformation experiments. This is due to the 'transforming principle', where genetic material was transmitted from heat-killed S strain to a live R strain, transforming it into the pathogenic S strain.

Explanation:

Based on the information provided in the question, as per Griffith's transformation experiments, the bacteria type that would be isolated from the dead mouse in the final experiment (involving the mixture of bacterial strains) would be at least some living S-strain. This was observed when Griffith injected a mouse with a mixture of live R strain and heat-killed S strain, and the mouse died. Upon isolating the live bacteria from the dead mouse, Griffith recovered only the S strain. This is due to the 'transforming principle' where the heat-killed S strain passed on some of its genetic material to the live R strain, effectively transforming it into the pathogenic S strain.

Learn more about Griffith's transformation experiments here:

https://brainly.com/question/31830131

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