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TLS Online TPP Program

#Id: 3165

Ronald A. Fisher, John B. S. Haldane and Sewall Wright- which showed that mutation and natural selection together cause adaptive evolution.

#Unit 11. Evolution and Behavior #Fitness and natural Selection #Part B Pointers
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TLS Online TPP Program

#Id: 651

#Unit 3. Fundamental Processes

Ames Test is used to measure carcinogenicity and mutagenicity of any chemical mutagen.
TLS Online TPP Program

#Id: 652

#Unit 3. Fundamental Processes

The Ames test uses a strain of S. typhimurium that is mutant for the operon responsible for the biosynthesis of the amino acid histidine.
TLS Online TPP Program

#Id: 653

#Unit 3. Fundamental Processes

A more potent mutagen translates into a greater number of revertant colonies.
TLS Online TPP Program

#Id: 654

#Unit 3. Fundamental Processes

Reversal of the mutation can only be done by same mutagen which created forward mutation.
TLS Online TPP Program

#Id: 655

#Unit 3. Fundamental Processes

The telomere is absolutely required for the stability of the chromosome end.
TLS Online TPP Program

#Id: 656

#Unit 3. Fundamental Processes

The same type of telomeric sequence is found in plants and humans so conserved in nature.