Animal Quote by Thomas Hunt Morgan
“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.”
About This Quote
Source Book: The Physical Basis of Heredity, 1915
Chromosomes exist in pairs; each parent contributes one set, so fertilization doubles the number.
In simple terms: Each parent gives half the chromosomes, creating a full set in the embryo.
Understand genetic inheritance through chromosome pairing.
Themes
Mood
Type
When to use this quote
- family planning
- medical genetics
- education
- research
- clinical diagnostics
Key Concepts
Questions to Reflect On
- How do chromosomal abnormalities arise?
- What role do chromosomes play in evolution?
Only applies to sexually reproducing organisms with defined chromosomes.