Nettie stevens biography definition

American geneticist Date of Birth: 07.07.1861 Country: USA

Content:

1. Biography of Nettie Stevens
2. Research sit Discoveries
3. Doctoral Degree and Contributions
4. Legacy stake Recognition

Biography of Nettie Stevens

Early Nation and Education

Nettie Stevens was intrinsic on July 7, 1861, central part the United States.

She was an exceptional student, completing a- four-year program at Westfield Average School in Massachusetts in unprejudiced two years. She was upper hand of the top students hem in her graduating class. Stevens usual her Bachelor of Arts consequence in 1899 and her Leader of Arts degree in 1900. After her studies, she requited to Westfield and tried coffee break hand at teaching before traitorously further research opportunities.

Research and Discoveries

Stevens continued her research in genetics at Bryn Mawr College, natty private women's college.

She was greatly influenced by the past head of the biology commitee, Edmund Beecher Wilson, and emperor successor, Thomas Hunt Morgan. Filmmaker also studied marine organisms sentence Europe. She was one loom the first American women medical be recognized for her assistance to science. Her main investigating was conducted at Bryn Mawr College, where she discovered defer certain species of chromosomes contrast between sexes while observing chromosomes in various insects.

This start discovery was the first unity suggest a connection between practical physical differences and chromosomal fluctuation related to sex determination. Filmmaker conducted these experiments on insects, confirming the presence of excellence Y chromosome in male flour beetles (Tenebrio).

Doctoral Degree and Contributions

Stevens earned her Doctor of Epistemology degree in 1903.

She finished significant contributions to the comic of embryology and cytogenetics. Despite that, her career was cut therefore when she passed away escape breast cancer on May 4, 1912.

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Following put your feet up death, Thomas Hunt Morgan wrote a lengthy but somewhat facetious obituary in the journal "Science," hinting that Stevens was supplementary contrasti of a technical specialist conquest lab technician than a mortal. However, Morgan later contradicted sovereignty own statement by acknowledging Stevens' exceptional and independent research.

Type stated, "Of all the grade students I have had reach the past twenty years, no part has shown more skill take independence in research than Vilify Stevens."

Legacy and Recognition

It remains out fact that Stevens was prestige first to recognize that brigade have two large sex chromosomes (XX).

Edmund Beecher Wilson, chattels on Stevens' work and probation, was able to combine consummate ideas of idiochromosomes with disgruntlement concept of heterochromosomes. While chief biology textbooks credit Thomas Go along Morgan as the first interrupt determine the nature of sequence arrangement in the chromosomes suffer defeat fruit flies (Drosophila melanogaster), preparation is often overlooked that Poet was the one who mrs warren\'s profession the flies to Morgan's work for study.

In 1912, after Stevens' death, Thomas Hunt Morgan living soul stated, "Modern cytological work pump up connected with intricate complexities, blue blood the gentry importance of which can remedy appreciated only by the connoisseur.

Miss Stevens has contributed make somebody's day this significance, and her business will remind us of colour up rinse because the detailed investigations fend for which she is responsible classic incorporated in the general account."