The chemical units that carry traits from parents to children are called:

A) quarks
B) DNA molecules
C) genes
D) neurons
E) receptors

DNA Molecules

Biological structures that carry genetic information vital for cell function, reproduction, and inheritance, composed of two intertwined strands.

Genes

Units of heredity located on chromosomes, made up of DNA, that determine specific characteristics by coding for proteins.

Traits

Characteristics or attributes of an individual, which can be physical, psychological, or behavioral, often considered stable and distinguishing.