Dispersal Agents, Such as Pollen-Carrying Wind or Seed-Carrying Animals, Are

question 73

Multiple Choice

Dispersal agents, such as pollen-carrying wind or seed-carrying animals, are responsible for ____ in most plant populations because they often introduce novel alleles into a population.

• A) gene flow
• B) genetic drift
• C) mutations
• D) nonrandom mating
• E) natural selection

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Definitions:

Prostaglandins

Lipid compounds that have diverse hormone-like effects in animals, including inflammation regulation and smooth muscle contraction.

PIF3

Phytochrome Interacting Factor 3, a protein that regulates plant responses to light.

Phytochrome Signal Transduction

A biochemical pathway in plants by which light signals are converted into cellular responses, mediated by phytochrome proteins.

Conformational Change

A change in the shape of a molecular structure, often referring to proteins or nucleic acids.