Nettie stevens biography of abraham
Biography of isaac
One of the first American women to achieve rec- ognition for her contributions to scientific research was Nettie Maria Stevens, whose investigations in cyto- genetics and embryology .
Nettie stevens biography of abraham
By experimenting on germ cells, cytologist Nettie Maria Stevens collected evidence to support the connection between heredity and the sex of offspring.
Nettie stevens biography of abraham lincoln
Biologist Nettie Maria Stevens () discovered that chromosomes determine sex.
Nettie stevens biography of abraham maslow
Nettie Maria Stevens and Edmund Beecher Wilson both independently developed the idea of sex determination by chromosomes.