The egg of every species of animal or plant carries a definite number of bodies called chromosomes. The sperm carries the same number. Consequently, when the sperm unites with the egg, the fertilized egg will contain the double number of chromosomes.
-- Thomas Hunt Morgan
   
Thomas Hunt Morgan   Name:
Thomas Hunt Morgan
Type:
Scientist
Nationality:
American
Birth:
September 25, 1866
Death:
December 4, 1945
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