genbio quiz 1 scientists

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Hans and Zacharias Janssen

first primitive microscope

William Boreel

wrote a letter regarding the invention of the first primitive microscope

Marcelo Malphigi

blood capillaries in fish tails - precursor of Embryology

Robert Hooke

English scientist who coined the term "cell" after observing cork under a microscope.

Francesco Redi

rotting meat and flies experiment disproving spontaneous generation.

Anton van Leeuwenhoek

First to observe and describe single-celled organisms - used the first practical microscope

Robert Brown

Discovered the nucleus in plant cells and contributed to the cell theory.

Theodore Schwann

all animals are composed of cells.

Matthias Jakob Schleiden

plants are made of cells.

Rudolf Virchow

Proposed that all cells arise from pre-existing cells.

Gregor Johann Mendel

Laws of Inheritance

Walter Fleming

pioneer of cytogenetics who discovered mitosis and identified chromosomes during cell division.

Thomas Hunt Morgan

proved that genes are located on chromosomes through fruit fly - proving Mendelian Laws

Francis Crick and James Watson

discovered the double helix structure of DNA, explaining how genetic information is stored and replicated.