Question at position 12 The role that humans play in artificial selection is to...choose which organisms breed, and which do not.create the genetic variants, which nature then selects.train organisms to breed more successfully.determine who lives and who dies.Clear my selection

Question

BlackTom AI · Accepted Answer

Reiterating the core prompt: In artificial selection, humans act in the role of selecting which organisms get to breed based on desired traits.
Option 1: 'choose which organisms breed, and which do not.' This accurately describes the role humans play in artificial selection, since breeders decide which individuals are allowed to reproduce to amplify desired traits.
Option 2: 'create the genetic variants, which nature then selects.' This is more characteristic of natural mutation processes or genetic engineering, not the typical action in classical artificial selection where humans select from existing variation rather than generating new variants themselves.
Option 3: 'train organisms to breed more successfully.' While selective breeding can enhance certain traits, the core mechanism is not training organisms to breed but selecting which breeding individuals are allowed to mate; the training language misrepresents the process.
Option 4: 'determine who lives and who dies.' This phrasing implies lethal selection or coercive survival outcomes, which is not how artificial selection operates in breeding programs; it focuses on controlled mating choices rather than determining survival or death.
In summary, the statement that best captures the human role in artificial selection is the one describing our choice of which organisms are allowed to reproduce, shaping the genetic makeup of future generations through selective mating.

Question at position 12 The role that humans play in artificial selection is to...choose which organisms breed, and which do not.create the genetic variants, which nature then selects.train organisms to breed more successfully.determine who lives and who dies.Clear my selection单项选择题

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