Which ancient thinkers discussed ideas similar to the inheritance of acquired characteristics?

The idea that characteristics acquired during an individual's lifetime can be passed to their offspring is a concept that predates the formal scientific theory of Lamarckism. Several ancient thinkers and texts explored notions related to this concept:

• Hippocrates: Often called the father of medicine, he believed in the inheritance of acquired characteristics. To explain this, he proposed the hypothesis of pangenesis, suggesting that all body organs produced invisible "seeds" or building components that were transmitted during sexual intercourse to form the offspring.1
• Aristotle: He emphasized the role of blood in heredity, theorizing that it supplied generative material for building the body. He also proposed the concept of "telegony," which alleged that a female's offspring could be influenced by previous mates, a belief that persisted in various forms for centuries.12
• Biblical Tradition: The Book of Genesis contains accounts, such as the story of Jacob, that reflect early beliefs in "maternal impressions" or prenatal influences, suggesting that environmental stimuli experienced by parents during breeding could affect the traits of their progeny.2

These early speculations were largely based on observation and folklore rather than the modern understanding of genetics and heredity.12