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… — Thomas Hunt Morgan Copy Share Image
Within the period of human history we do not know of a single instance of the transformation of one species into another one. It may be claimed that the theory of descent is lacking, therefore, in the most essential feature… — Thomas Hunt Morgan Copy Share Image
The media has enormous power. The media is undergoing huge changes now. It seemed like it's time to step back and look at how… — Thomas Hunt Morgan Copy Share Image
“Except for the rare cases of plastid inheritance, the inheritance of all known cofactors can be sufficiently accounted for by the presence of genes… — Thomas Hunt Morgan Copy Share Image
One of the most amazing developments in the history of biology. — Thomas Hunt Morgan Copy Share Image
The egg of every species of animal or plant carries a definite number of bodies called chromosomes. The sperm carries the same number. Consequently,… — Thomas Hunt Morgan Copy Share Image
Two years work wasted, I have been breeding those flies for all that time and I've got nothing out of it. — Thomas Hunt Morgan Copy Share Image
For each chromosome contributed by the sperm there is a corresponding chromosome contributed by the egg, there are two chromosomes of each kind, which… — Thomas Hunt Morgan Copy Share Image
Within the period of human history we do not know of a single instance of the transformation of one species into another one. It… — Thomas Hunt Morgan Copy Share Image
Realizing how often ingenious speculation in the complex biological world has led nowhere and how often the real advances in biology as well as… — Thomas Hunt Morgan Copy Share Image
That the fundamental aspects of heredity should have turned out to be so extraordinarily simple supports us in the hope that nature may, after… — Thomas Hunt Morgan Copy Share Image
