Tagged Questions
10
votes
2answers
195 views
Why do pandas have a high probability of giving birth to twins?
According to the BBC documentary "Wild About Pandas", about half of panda birth result in twins. Why do they have such a high probability compared to other mammals? What factor(s) control that ...
5
votes
2answers
513 views
Fetal development, gastrulation and embryonic disc
I completely confused by the images circulating on the internet of human gastrulation.
First, lets see how it happens in deuterostomes. This image depicts the process:
(image is from Wikipedia)
...