According to sources, the most probable answer to this query is that gene flow is the immigration of the alleles from one certain population to another. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
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Embedded in the lipid bilayer are large proteins, many of which transport ions and water-soluble molecules across the membrane. Some proteins in the plasma membrane form open pores, called membrane channels, which allow the free diffusion of ions into and out of the cell.
