Is DNA larger than a chromosome?
From smallest to largest: nucleotide, gene, chromosome, genome. Nucleotides are the smallest building blocks of DNA. … A gene is therefore composed of many pairs of nucleotides. A chromosome is a long strand of DNA which is coiled up with various proteins.
Is a gene smaller than DNA?
A gene is a short length of DNA found on a chromosome that codes for a particular characteristic or protein. Alleles are variations of the same gene.
How much DNA is in a chromosome?
One chromosome has 2 strands of DNA in a double helix. But the 2 DNA strands in chromosomes are very, very long. One strand of DNA can be very short – much shorter than even a small chromosome. Strands of DNA are made by joining together the 4 DNA bases in strings.
Is a gene smaller than a cell?
Gene is the basic functional and physical unit of heredity and is made up of DNA. … It is a membrane-bound structure and contains the hereditary information. A cell is the smallest functional unit of life and contains nucleus and cytoplasm in a membrane-bound structure.