Which one of the following correctly describes common selection that has occurred in plant domestication?

Question

BlackTom AI · Accepted Answer

To tackle this question, I will evaluate each proposed option in the context of plant domestication traits.
Option 1: 'Selection for smaller fruit types' — While size changes can occur during domestication, a hallmark of many crops is the retention or enhancement of desirable yield traits rather than a general push toward smaller fruits. In most domestication programs, fruits were selected for larger or more uniform sizes rather than smaller ones, so this option does not accurately describe the common selection pattern.
Option 2: 'Selection for increased seed dormancy' — Domestication typically favors reduced seed dormancy so that seeds germinate more reliably in cultivation. Increased dormancy would hinder synchronized germination and planting, making this option inconsistent with the common domestication trend.
Option 3: 'Selection for reduced apical dominance' — Apical dominance affects plant architecture (how stems grow, branching patterns), and while architectural changes occur, the most widely cited domestication trait is reduced seed shattering and changes in reproductive timing rather than a universal reduction of apical dominance. Therefore this option does not capture the quintessential, repeatedly observed selection.
Option 4: 'Selection for reduced seed shattering' — This is a classic and well-documented hallmark of many domesticated crops. Reduced seed shattering makes seeds easier to harvest and increases yield stability, representing a central target in domestication across multiple species.
In summary, the options that describe other traits either run counter to the typical goals of domestication or are less universally characteristic, whereas reduced seed shattering is the most emblematic shared selection outcome in domesticated plants.

Which one of the following correctly describes common selection that has occurred in plant domestication?Single choice

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