Question

what are genes? what is the difference between genes and chromosomes

Answer 1

Genes contain DNA (deoxyribonucleic acid). DNA is the chemical basis of heredity. Think of it this way: DNA is in genes, genes are on chromosomes. When "mapping" all genes on all human chromosomes was first seriously conceived, it was called the Human Genome Project - a combination of gene and chromosome.

Answer 2

$\huge\mathbf{Answer}$

Genes are specific sequences of nucleotides on a chromosome which encode specific proteins and expressed in the form of particular features of the body

the only difference between chromosome and genes is that chromosomes are the highly called and condensed chromatin fibres that is genes are the specific sequences of nucleotides on a chromosome which encode particular proteins and express in the form of particular features of the body.