1 янв 1955 г. - Joe Hin Tjio
Описание:
This scientist worked on counting chromosomes and was the first to accurately count the number of chromosomes in a typical human cell. He counted the chromosomes from a photograph of human embryonic lung tissue in 1955.Добавлено на ленту времени:
Дата:
1 янв 1955 г.
Сейчас
~ 70 г назад