Question

a ____ is part of the dna code on a chromosome.
a) gene
b) genotype
c) phenotype
d) gender

Explanation:

Genes are segments of DNA on chromosomes that code for specific traits or functions. Genotype is the genetic makeup of an organism, phenotype is the observable traits, and gender is a biological and social - related characteristic not a part of the DNA code on a chromosome in this context.

Answer:

A. gene