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2.6 compare living primates to hypothesise about relationships between groups of primates using evidence from: karyotype analysis DNA DNA hybridisation comparison of haemoglobins DNA sequencing mitochondrial DNA as a molecular clock

compare living primates to hypothesise about relationships between groups of primates using evidence from:

  • karyotype analysis
  • DNA–DNA hybridisation
  • comparison of haemoglobins
  • DNA sequencing
  • mitochondrial DNA as a molecular clock

Karyotype analysis

Organism Chromosome number

human

46

gorilla

48

chimpanzee

48

beans

22

goldfish

94

DNA–DNA hybridisation

Primate % similarity of DNA with human DNA

human

100

chimpanzee

97.6

gibbon

94.7

rhesus monkey

91.1

capuchin

84.2

Comparison of haemoglobins

Species Reaction to human antibody (%)

human

100

chimpanzee

97

baboon

50

dog

0

DNA sequencing

Mitochondrial DNA as a molecular clock