Human and Chimpanzee ChromosomesHuman chromosome smear

  • Chromosome number
    • Human (46)
    • Chimp (48)
  • Chromosome sizes
  • Chromosomal banding
    • #2 equivalent to two smaller chimp chromosomes
    • #4 and #17 different
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Slide 71 of 109


Humans have two fewer (one pair) chromosomes compared to chimpanzees . However, human chromosome 2 seems to be a combination of two smaller chromosomes found in apes. Most of the human and chimpanzee chromosomes have similar banding patterns, indicating similar overall structure. However, chromosomes 4 and 17 exhibit different banding patterns in humans and also among different species of apes.


Last Modified June 21, 2006