Scientists Flashcards by Tanishkaa Shanmugam

Q

Who is known as the Father of Genetics?

A

Gregor Mendel

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Q

Who rediscovered Mendel’s work?

A

Hugo de Vries; Carl Correns; Erich von Tschermak

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Q

Who proposed Chromosomal Theory of Inheritance?

A

Walter Sutton; Theodor Boveri

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Q

Who proved chromosomal theory using fruit flies?

A

Thomas Hunt Morgan

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Q

Who mapped genes using recombination frequency?

A

Alfred Sturtevant

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Q

Who discovered the X chromosome?

A

Hermann Henking

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Q

Who first described Down’s syndrome?

A

John Langdon Down

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Q

Who discovered DNA (nuclein)?

A

Friedrich Miescher

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Q

Who proposed double helix model of DNA?

A

James Watson; Francis Crick

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Q

Who gave X-ray diffraction evidence of DNA?

A

Rosalind Franklin; Maurice Wilkins

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Q

What is Chargaff’s rule?

A

A=T and G=C

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Q

Who proposed Central Dogma?

A

Francis Crick

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Q

Who performed Transforming Principle experiment?

A

Frederick Griffith

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Q

Who proved DNA is genetic material (biochemical proof)?

A

Oswald Avery; Colin MacLeod; Maclyn McCarty

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Q

Who proved DNA is genetic material using bacteriophage?

A

Alfred Hershey; Martha Chase

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Q

Who proved semi-conservative replication experimentally?

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A

Matthew Meselson; Franklin Stahl

Q

Who confirmed semi-conservative replication in chromosomes?

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A

J. Herbert Taylor

Q

Who proposed triplet codon theory?

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A

George Gamow

Q

Who synthesized RNA with defined sequences?

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A

Har Gobind Khorana

Q

Who developed cell-free protein synthesis?

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A

Marshall Nirenberg

Q

Who explained Lac operon?

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A

Francois Jacob; Jacques Monod

Q

Who developed DNA sequencing method?

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A

Frederick Sanger

Q

Who developed DNA fingerprinting?

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A

Alec Jeffreys

Q

Who disproved spontaneous generation?

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A

Louis Pasteur

Who proposed chemical evolution?

Alexander Oparin; J. B. S. Haldane

Who proved chemical evolution experimentally?

Stanley Miller

Who proposed Lamarckism?

Jean-Baptiste Lamarck

Who proposed natural selection?

Charles Darwin; Alfred Russel Wallace

Who influenced Darwin with population theory?

Thomas Malthus

Who proposed mutation theory?

Hugo de Vries

Who gave Hardy-Weinberg principle?

G. H. Hardy; Wilhelm Weinberg

Who discovered penicillin?

Alexander Fleming

Who developed penicillin as antibiotic?

Ernst Chain; Howard Florey

Who created first recombinant DNA?

Stanley Cohen; Herbert Boyer

Who proposed Competitive Exclusion Principle?

G. F. Gause

Who popularized biodiversity?

Edward O. Wilson

Who proposed Rivet Popper hypothesis?

Paul Ehrlich