Methods of studying human genetics

In this topic

• Why human genetics is hard to study
• The genealogical (pedigree) method
• The twin method and the cytogenetic method
• Biochemical, population and molecular methods

Key terms

• Pedigree
• Proband
• Monozygotic twins
• Dizygotic twins
• Concordance
• Discordance
• Karyotype
• Sex chromatin (Barr body)
• PCR (polymerase chain reaction)
• Sequencing
• Amniocentesis
• Medical-genetic counselling

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