What is the relationship between nucleus dna chromosomes and genes

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What is the relationship among cells, chromosomes, genes, and DNA? Question options: DNA is a double-helix structure found in the cell nucleus. Chromosomes straighten out the DNA so the code can be read by genes. DNA is straightened by genes which are contained in the chromosomes of a cell. Chromosomes are tightly wound strands of DNA located in cells. Genes are sections of DNA. Tightly wound strands of chromosomes contain genes and are found in cells. The genes are coded sequences of nucleotides read by DNA.

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Genes are made of a chemical called DNA, which is short for 'deoxyribonucleic acid'. The DNA molecule is a double helix: that is, two long, thin strands twisted around each other like a spiral staircase.


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