Lamellar cataract pedigree by London Medical Office
![](https://content.dnalc.org/content/c10/10283/10283.jpg)
Actual dedigree of cataract analysis illustrating the manner of the transimission of a dominant trait. This pedigree chart was apparently used as part of an educational exhibit -- perhaps at a eugenics congress or at a state fair.
- ID: 10283
- Source: DNALC.EA