Home            Q.004 Genetics landmarks


Which of the following is an incorrect pairing between a genetics landmark and the associated individual?
A. The development of antenatal ultrasound - Donald
B. First print edition of Mendelian Inheritance in Man (MIM) – McKusick
C. Chromosome banding – Caspersson and Zech
D. The discovery of 46 chromosomes in humans – Tjio and Levan
E. DNA sequencing – Avery
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Answer: E. DNA sequencing was developed by Maxam and Gilbert and by Sanger. Avery discovered the role of DNA in inheritance in 1944. Later, Crick was associated with the discovery of DNA structure, in 1953, together with Watson, Franklin and Wilkins. See chapter 1 of Essential Medical Genetics 6th edition for further explanations.