Wilson, Edmund B. (Edmund Beecher), 1856-1939

The Y-Chromosome in Animals

The Y-Chromosome in Animals

The Y-chromosome is one of a pair of chromosomes that determine the genetic sex of individuals in mammals, some insects, and some plants. In the nineteenth and twentieth centuries, the development of new microscopic and molecular techniques, including DNA sequencing, enabled scientists to confirm the hypothesis that chromosomes determine the sex of developing organisms.

Experimental Studies on Germinal Localization (1904), by Edmund B. Wilson

"Experimental Studies on Germinal Localization" (1904), by Edmund B. Wilson

At the turn of the twentieth century, Edmund B. Wilson performed experiments to show where germinal matter was located in molluscs. At Columbia University in New York City, New York, Wilson studied what causes cells to differentiate during development. In 1904 he conducted his experiments on molluscs, and he modified the

The Cell in Development and Inheritance (1900), by Edmund Beecher Wilson

<a href="/search?text=The%20Cell%20in%20Development%20and%20Inheritance" title="" class="lexicon-term">The Cell in Development and Inheritance</a> (1900), by <a href="/search?text=Edmund%20Beecher%20Wilson" title="" class="lexicon-term">Edmund Beecher Wilson</a>

The Cell in Development and Inheritance, by Edmund Beecher Wilson, provided a textb

Endoderm

Endoderm

Endoderm is one of the germ layers—aggregates of cells that organize early during embryonic life and from which all organs and tissues develop. All animals, with the exception of sponges, form either two or three germ layers through a process known as gastrulation.

An Atlas of Fertilization and Karyokinesis of the Ovum (1895), by Edmund Beecher Wilson

An Atlas of Fertilization and Karyokinesis of the Ovum (1895), by <a href="/search?text=Edmund%20Beecher%20Wilson" title="" class="lexicon-term">Edmund Beecher Wilson</a>

Edmund Beecher Wilson in the US published An Atlas of Fertilization and Karyokinesis of the Ovum (hereafter called An Atlas) in 1895. The book presents photographs by photographer

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