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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.” quote by Thomas Hunt Morgan
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“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

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.

Key Takeaway

Understand genetic inheritance through chromosome pairing.

Themes

genetics cell biology inheritance

Mood

scientific neutral

Type

educational informative

When to use this quote

  • family planning
  • medical genetics
  • education
  • research
  • clinical diagnostics

Key Concepts

DNA meiotic division chromosomal number

Questions to Reflect On

  • How do chromosomal abnormalities arise?
  • What role do chromosomes play in evolution?
A Different Perspective

Only applies to sexually reproducing organisms with defined chromosomes.

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