Biology Quote by Thomas Hayden
““All sorts of changes in cellular machinery have shown up that have nothing to do with the sequence of DNA but still have profound, and heritable, impacts for generations to come. For example, malnourished rats give birth to undersized pups that, even if well fed, grow up to give birth to undersized pups. Which means, among other things, that poor old Lamarck was right—at least some acquired traits can be passed down.””
About This Quote
Source Article: “Epigenetics and Inheritance”, Scientific American, 2021
Environmental factors can alter gene expression and affect offspring, showing that some traits acquired in life can be inherited.
In simple terms: Life experiences can affect future generations.
Key Takeaway
Recognize the impact of lifestyle on descendants.
Themes
biology
inheritance
environment
health
evolution
Mood
thoughtful
concerned
Type
scientific
informative
When to use this quote
- parental nutrition
- public health policy
- research design
- family planning
Key Concepts
Epigenetics
Lamarckian theory
transgenerational effects
Questions to Reflect On
- How might this knowledge change parenting?
- What policies could address epigenetic health disparities?
A Different Perspective
Complex mechanisms make predictions difficult.
![“In the beginning of the eighteenth century, De Maillet made the first serious attempt to apply the doctrine [ of evolution ] to the living world. In the latter part of it, Erasmus Darwin , Goethe , and Lamarck took up the work more vigorously and with better qualifications. The question of special…” quote by Thomas Henry Huxley](https://sms4smile.com/quotes/img-quotes/d37/thomas-henry-huxley-14414_biological-evolution_in-the-beginning-of-the-eighteenth-centu_2375328.jpg)
