"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"
This quote is written / told by Thomas Hunt Morgan between September 25, 1866 and December 4, 1945. He/she was a famous Scientist from USA.
The author also have 3 other quotes.
"Independence is all very well, but we animals never allow our friends to make fools of themselves beyond a certain limit; and that limit you've reached"
"Animals are reliable, many full of love, true in their affections, predictable in their actions, grateful and loyal. Difficult standards for people to live up to"