Skip to main content
1 Review

X Inactivation

Subject Science — Biology, Life Science
Grade Level Grades 6-12
Resource Type
License

Description
Resources
Reviews

Paul Andersen explains how X inactivation works in mammals. This process was first described by Mary Lyon. Each cell in a female will have one activated and one inactivated X chromosome. This explains why almost all calico cats are female.

Resources

Links
Website
Videos
X Inactivation
Remote video URL

Reviews

5.0
1 Review
Quick explaination of calico cats. Good video for high school (a little advanced for middle school).
AAWolfe
March 23, 2014
So helpful. I have looked for a short simple explanation that my students can understand. This is it!
aftvogler
June 06, 2013