Who discovered that biological inheritance displays specific mapping coordinates relative to chromosome linkage structures? MCQ with Answer and Explanation

Question
Who discovered that biological inheritance displays specific mapping coordinates relative to chromosome linkage structures?
A. Francis Crick
B. Thomas Hunt Morgan and Alfred Sturtevant
C. Gregor Mendel
D. James Watson
Answer: Option B
Solution (By JKSSB Mock Tests)
Sturtevant, a student of Morgan, constructed the world's first genetic map in 1911 by tracking crossover frequencies in fruit flies.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
The barometers, used to measure atmospheric pressure, was invented by whom?
A. Otto von Guericke
B. Robert Boyle
C. Evangelista Torricelli
D. Blaise Pascal
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Correct Answer: Option C

Explanation:
Evangelista Torricelli, an Italian physicist, invented the mercury barometer in 1643.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
The invention of the safety razor with disposable stamped steel blades was introduced by whom?
A. Elisha Otis
B. Walter Hunt
C. King Camp Gillette
D. John Loud
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Correct Answer: Option C

Explanation:
King Camp Gillette patented the safety razor system with cheap, replaceable double-edged blades in 1904.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
The invention of the common mathematical calculation layout known as the matrix determinants was developed independently by whom?
A. Blaise Pascal
B. Isaac Newton
C. René Descartes
D. Gottfried Wilhelm Leibniz and Seki Takakazu
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Correct Answer: Option D

Explanation:
Leibniz and Japanese mathematician Seki Takakazu independently developed algebraic determinant patterns to resolve linear simultaneous groupings.
This question belongs to: Static General Knowledge Inventions and Discoveries
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