Free PDF: The Genius Workout — 50 brain teasers + the 25 highest IQs in history.
Blog

Nettie Stevens : Biographie, Réalisations et Héritage Durable

Nettie Maria Stevens (July 7, 1861 – May 4, 1912) was an American geneticist who discovered sex chromosomes. In 1905, soon after the rediscovery of Mendel's paper on genetics in 1900, she observed that male mealworms produced two kinds of sperm, one with a large chromosome and one with a small chromosome. When the sperm with the large chromosome fertilized eggs, they produced female offspring, and when the sperm with the small chromosome fertilized eggs, they produced male offspring. The pair of sex chromosomes that she studied later became known as the X and Y chromosomes.

Faits clés

Héritage et influence

The influence of Nettie Stevens extends far beyond her own lifetime. She fundamentally shaped our understanding of the natural world, and her discoveries and theories remain foundational to this day.

Though she passed away in 1912, her ideas continue to be studied, debated, and built upon by scholars and practitioners worldwide.

Nettie Stevens demeure l'un des esprits les plus célèbres issus de United States, témoignage du riche héritage intellectuel de la région.

Génies notables de United States

United States a donné naissance à de nombreux esprits remarquables. Aux côtés de Nettie Stevens :

Voir tous les génies de United States →

Découvrez d'autres esprits brillants en Science

Explorer Science Geniuses

Explorerr plus

Lire le profil complet de Nettie Stevens

Voir le profil de Nettie Stevens →

Découvrir d'autres génies

1,300+ articles · 1,300+ biographies · Français

Voir tout