which are segments of dna that code for specific traits?\no genes\no chromosomes\no proteins\no codons

Answer

Brief Explanations:

Genes are specific DNA segments that carry the instructions for building and maintaining an organism, coding for particular traits. Chromosomes are structures that contain DNA and genes. Proteins are the products of gene - expression. Codons are sequences of three nucleotides in mRNA that correspond to specific amino acids during protein synthesis.

Answer:

A. genes