She was an American geneticist, biologist, zoologist and the first to describe the chromosomal basis of sex.
She was born in 1861 in Vermont, USA.
She was able to complete a 4-year degree in only 2 years and graduated with the highest grade of the year.
She taught physiology, zoology, mathematics, Latin and Greek in a high school.
In 1900 she received a master’s degree.
She also studied cytology and received a scholarship for a master’s degree in biology.
In 1903 she received a doctorate and studied marine organisms and the genitalia of aphids.
She even became an assistant at an institute in Washington.
In addition, she carried out studies on the determination of sex, the development of sperm and eggs and the germ cells of insects.
She died in 1912.
[Source: el.wikipedia.org]
