Documents Sex Ratio in Humans :

Sex Ratio in Humans: In the early 1900âs Thomas Hunt Morgan began breeding a type of fruit fly called Drosophila melanogaster. Morgan observed the Drosophilaâs four pairs…

Documents Sex Ratio in Humans: In the early 1900’s Thomas Hunt Morgan began breeding a type of fruit fly...

Sex Ratio in Humans: In the early 1900âs Thomas Hunt Morgan began breeding a type of fruit fly called Drosophila melanogaster. Morgan observed the Drosophilaâs four pairs…