Free Genetics & Heredity Photos
Science Image Library
from Science Prof Online
Blue eyes, a recessive trait of the polygenic character of eye color.
Brown eyes, a dominant trait of the polygenic character of eye color.
Green eyes, a recessive trait of the polygenic character of eye color.
Curved or bent little finger in father and son, a dominant trait.
Free ear lobe,a dominant trait.
Left thumb on top of folded hands, a dominant trait.
Myopia & tongue rolling, both dominant traits.
Dimples and cleft chin, both dominant traits
Illustration of a duplicated & unduplicated , condensed chromosome.
Molecular Genetics Images
Model of DNA structure. Photo taken at Field Museum, Chicago, IL.
For classroom materials on genetics, see the
You have free access to a large collection of materials used in a college-level introductory Cell Biology Course. The Virtual Cell Biology Classroom provides a wide range of free educational resources including Power Point Lectures, Study Guides, Review Questions and Practice Test Questions.
SPO is a FREE science education website. Donations are key in helping us provide this resource with fewer ads.
(This donation link uses PayPal on a secure connection.)
Click on an image below to enlarge. To save an image to your computer, right click on it and select "Save".
For those in need of high-resolution images, we will soon be offering hi-res files of many photos in the Science Image Library. Follow us on Twitter @ScienceProfSPO to get updates on new SPO features and products.
Science Prof Online has a continuously growing collection of copyright-free science images. If you use one of our images, we just ask that you give us credit and provide a link to the SPO website (www.scienceprofonline.com).
Didn't find what you need?
Search SPO for a Photo
See our most popular SPO "class notes" article: