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TLS Online TPP Program

#Question id: 3946

Which type of mutation is likely to be the most harmful?

#Unit 3. Fundamental Processes

  1. a base substitution in which a valine is replaced with a leucine.

  2. a +3 frameshift mutation.

  3. a base substitution in which a glutamic acid is replaced with an aspartic acid.

  4. a +1 frameshift mutation.

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TLS Online TPP Program

#Question id: 5009

#Unit 11. Evolution and Behavior

A genetic change that caused a certain Hox gene to be expressed along the tip of a vertebrate limb bud instead of farther back helped to make possible the evolution of the tetrapod limb. This type of change is illustrative of
TLS Online TPP Program

#Question id: 12412

#Unit 10. Ecological Principles

In most mammalian populations the sex ratio
TLS Online TPP Program

#Question id: 12290

#Unit 10. Ecological Principles

A mating system in which one organism of one sex mates with only one member of the opposite sex is called ___________.
TLS Online TPP Program

#Question id: 33427

#Unit 1. Molecules and their Interaction Relevant to Biology

How many reducing equivalents are produced during oxidation of one molecule of Palmitic acid
TLS Online TPP Program

#Question id: 3501

#Unit 11. Evolution and Behavior

following graph related with mate choice  during natural selection ? Which of the following correct?

a. male investment exceed  that of female

b. female investment exceed  that of male

c. Reproductive investment by the sexes is strongly influenced by differences in the degree of parental investment

d.leads to male mate choice

e. overall increase fitness

f.female mate choice