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TLS Online TPP Program

#Question id: 16968

Parallel evolution is a term that has been used to describe cases in which independent evolution of a character state is thought to have similar genetic and developmental bases, especially in closely related species. Which statements is true for

#Unit 11. Evolution and Behavior
  1. Evolutionary reversals constitute a return from a derived character
  2. Distinction between parallel evolution and convergent evolution may be very meaningful because, as we will see, the same gene often contributes to similar evolutionary changes in related organisms.
  3. Distinction between parallel evolution and convergent evolution may not be very meaningful because, as we will see, the same gene often contributes to similar evolutionary changes in distantly related organisms.
  4. Mutational change in a specific gene, Pitx1, is the basis of independent loss of the pelvic girdle and fins in many freshwater populations of a small fish, the three spined stickleback stickleback
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TLS Online TPP Program

#Question id: 3743

#Unit 3. Fundamental Processes

 In DNA repair, DNA glycosylases recognize deaminated bases within the DNA polymer and remove the deaminated
TLS Online TPP Program

#Question id: 32235

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify the structure shown

 
TLS Online TPP Program

#Question id: 16327

#Unit 7. System Physiology – Animal

Which of the following hormones release in response to stress?
TLS Online TPP Program

#Question id: 4224

#Unit 3. Fundamental Processes

Use the figure to answer the question Refer to the metabolic pathway illustrated. If A, B, and C are all required for growth, a strain mutant for the gene encoding enzyme B would be able to grow on medium supplemented with which of the following nutrient(s)?
TLS Online TPP Program

#Question id: 15246

#Unit 5. Developmental Biology

Syncytial specification uses elements of: