Monthly Archives: April 2013

And the winner is…

Students, colleagues, friends, and relatives have now spoken. Thanks to everyone who voted! All of the images (see previous post) garnered enough votes to make the race a tight one. With just over 60% of the votes, the twinned chick embryo came out on top. Here’s another image of the same specimen, just a bit […]

Cool Images from Developmental Biology Lab

Here are three images from experiments that students have conducted in our Developmental Biology lab class this semester (so far). Please study the images below, and then follow the link at the bottom of the page to vote for your favorite one. A) Drawings of Xenopus laevis embryos resulting from our Einsteckmethode lab. B) Zebrafish […]

Developing chick embryo: One head, one heart, two bodies…

Twin chick embryo update: Days 2 and 3: The embryos appear to share a single heart, albeit larger than normal. And the heart beats! Hope you enjoy these images! The image below is from day 2. This next image is from day 3. Heart is still beating, blood islands are forming, but fewer than expected. […]

Siamese Chick!

Coolest thing about teaching developmental bio, is discovering developmental anomalies. When my students were opening chicken eggs today, look what they found — a twinned embryo! Can’t wait to see how this one develops.