Which characteristic can be inherited?

a. ability to roll the tongue

b. the length of hair in a human

c. the ability to play piano

d. the appetite of a puppy

The correct answer would be A. ability to roll the tongue

Inherited traits are those which are controlled by the DNA. These traits are passed onto the offspring.

For example, hair color, skin color, a color of eyes, rolling of tongue et cetera.

The ability of a person to roll a tongue into a tube-like shape is considered as the dominant trait and inability to roll a tongue is considered as a recessive trait.

Other abilities such as muscle mass, length of hairs, karate, piano, life experience et cetera are not controlled by the DNA of a person and thus, they are not inherited from parents to the offspring.

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