Persons who inherit a gene for extra fingers or toes ____ have the physical manifestation.
A) may or may not
B) will always
C) cannot
D) hardly ever
E) must

Question

Quizplus · Accepted Answer

The inheritance of a gene for extra fingers or toes, known as polydactyly, can result in variable expression. This means that individuals who inherit the gene may or may not exhibit the physical trait, as expression can be influenced by other genetic and environmental factors.

Persons Who Inherit a Gene for Extra Fingers or Toes