Answer:
Genes are a specific segment of DNA; DNA is a double helix with nucleotides, since DNA is very long chromatins packages up DNA using histones and form chromosomes.
Step-by-step explanation:
Chromatin is what makes up a chromosome, it packages the dna up using proteins call histones
DNA is linear double helix with nucleotides ( A-T, C-G). It is the instructions that make apples different from humans.
genes are made up of DNA, it is a segment that codes for certain proteins
chromosome are made of packaged DNA