Question

what basic unit of heredity is found on segments of dna and are passed on from parent to offspring?
nucleotide
gene
phosphate molecule
deoxyribose sugar

Explanation:

A gene is a basic unit of heredity. It is a segment of DNA that contains the instructions for making a specific protein or RNA molecule. Genes are passed from parents to offspring during reproduction. Nucleotides are the building blocks of DNA. A phosphate molecule and deoxyribose sugar are components of the DNA backbone.

Answer:

gene