Topps may have lost its NFL contract in â64, but getting Namath kept those old AFL sets relevantâand fairly valuable. Joe Willieâs rookie card is hard to find centered and because of the myriad of condition sensibilities, itâs one of the most expensive football cards ever to come out of the Topps roster.
Report Abuse. Chromosomes are made up of DNA packaged with histones and other proteins. DNA is deoxyribonucleic acid, an extremely long polymer whose repeating units are each made up of a phosphate plus a deoxyribose sugar plus a nitrogenous base.
Here is a breakdown of what each means and how they relate. DNA is the chemical that chromosomes and genes are made of. DNA itself is made up of four simple chemical units that are abbreviated as A, G, C, and T. These letters are used to form three letter words that cells can read. A chromosome is simply a very long piece of DNA that cells can easily copy.