'In 1905 biologist Nettie Stevens showed that these 2 chromosomes determine a person's sex'
the X and Y chromosomes
WOMEN IN SCIENCE: In 1905 biologist Nettie Stevens showed that these 2 chromosomes determine a persons sex
In 1905 biologist Nettie Stevens showed that these 2 chromosomes determine a person's sex
In 1905 biologist Nettie Stevens showed that these 2 chromosomes determine a person's sex
WOMEN IN SCIENCE
the X and Y chromosomes
WOMEN IN SCIENCE