Both terms refer to one organism with two or more distinct populations of cells * – but they are not interchangeable. The different cell lines in chimeras originally come from different zygotes whereas mosaics arise from the same zygote. Because mosaics start with the same genome, you expect them to be more similar than chimeras […]
Mammalian X inactivation
In humans, males are 46XY and females are 46XX. The Y chromosome has been in the news recently but we’re more concerned about the X chromosome today. You’ll notice that there are two copies of the X in human females – do we have double the X gene products? No, X inactivation silences most but […]
summer leaf
Walking around Montreal this morning. Not the best light but I tried! via 500px
Canadian Travel Essential
Happy Canada Day! (July 1) Yes, Canadians will apologize if you bump into them. (But I bet you do too – it’s not limited to Brits and Canadians). Sorry can mean a lot of things = true apology, preface to uncomfortable information, request for repeating information, and even getting mad. Check the tone when you’ve […]
I’m sorry. (burn out? illness? lazy?)
Where has the time gone? I can’t believe that it is almost July. This post is to recognize the fact that I’ve been absent or doing the minimum lately. I’m sorry. I have no real excuse. I have been dealing with illnesses and doctor appointments and that takes a lot of energy but it has […]
Blood Cancers – what would you want to know?
written by Julia Pon If you had leukemia or lymphoma, what would you want to know? As a medical student, I noticed a disconnect between the type of information that tends to be provided for patients, and the types of information medical students are taught: patient information booklets tend to focus on symptoms, tests and […]
OA journal for outreach activities? #hivemind request
I am lucky enough to work with some amazing people in an enrichment program for teens who love science. The leaders create activities to help students explore science in different ways. These exercises are usually more than the usual outreach or classroom activity – but they could be adapted to work within classrooms or for […]