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Transcript
Relationship: ChromosomeGeneDNA Name: Date: The body cells of humans have 46 chromosomes that form 23 pairs. Chromosomes are made up of many genes joined together. You have 23 pairs of chromosome. Each chromosome has 200 – 3000 genes. Therefore, you have between 20,000 – 25,000 genes. Each gene controls a trait. About Chromosome 1 Chromosome 1 spans about 249 million nucleotide base pairs. It represents about 8% of the total DNA in human cells. Chromosome 1 is currently thought to have 4,316 genes. There are 890 known diseases related to this chromosome Chromosome 2: The Chimpanzee Chromosome All members of Hominidae except humans have 24 pairs of chromosomes. Humans have only 23 pairs of chromosomes. Human chromosome 2 is widely accepted to be a result of an end-to-end fusion of two ancestral chromosomes.
