A rare or uncommon version of a trait that is not life-threatening,such as having six fingers on one hand,is called a(n)______.
A) genetic disorder
B) genetic abnormality
C) mutation
D) non-Mendelian trait
E) polygenic trait

Question

A rare or uncommon version of a trait that is not life-threatening,such as having six fingers on one hand,is called a(n)______.  
A) genetic disorder
B) genetic abnormality
C) mutation
D) non-Mendelian trait
E) polygenic trait

Quizplus · Accepted Answer

A genetic abnormality refers to a rare or uncommon version of a trait that is not life-threatening, as opposed to a genetic disorder which implies a severe health condition. A mutation refers to a change in the genetic material which may or may not result in an abnormality. Non-Mendelian traits and polygenic traits refer to patterns of inheritance and are not relevant to the description of a rare or uncommon trait.

A Rare or Uncommon Version of a Trait That Is