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  • DNA is called Deoxyribonucleic acid ,and it's given by parents. DNA is made up of molecules called nucleotides. In the nucleotides, there are phosphate group ,sugar, base.
  • DNA is in the shape of a double helix.And chromosomes make up proteins and DNA they are 23pairs.Autosomes 22pairs.Sex chromosomes1pair.
  • You are right.and base has four parts:adenine, thymine,cytosine,guanine. And sugar includes pentose sugar, deoxyribose sugar.
  • Mitosis is a continuous process.1.Chromosomes replicate to become double-stranded.2.Double-stranded chromosomes become visible.3.Double-stranded chromosomes line up along the equator the cell.4Thechromosomes move to opposite ends of the cell.5.Two nuclei from, each with the dipped number of chromosomes.
  • Genes are sections of DNA.Each chromosomes can have over 1000genes.Different between one gene from the next.Order of bases along the DNA stand.Length of the DNA strum.
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