SciShow
There Are More Than Two Human Sexes
In high school biology, we learn that humans are born with either XX or XY chromosomes, and that a person’s internal and external sex organs match those chromosomes. It turns out, however, that sex isn’t that straightforward.
SciShow
Intersex Across the Animal Kingdom
Do you think animals can be divided into two biological sexes: female and male? Well, it's way more complicated that that!_
Catalyst University
Mechanism of X-Chromosome Aneuploidies [Klinefelter's, Turner's, & XXX]
In this video, we explore the mechanisms that cause thoracic outlet syndrome by looking at the relevant anatomy and structures.
HealthSketch
What is Klinefelter's Syndrome?
A simple explainer video about the chromosome disorder Klinefelter's Syndrome, which is caused by an extra X chromosome in boys, and leads to low testosterone levels. We describe the common features of the condition and how it is...
Catalyst University
Genetics | X-chromosome Inactivation, Barr Bodies, and the Calico Cat
X-chromosome inactivation in various sex chromosome genotypes (XX, XY, XXY, XXX, XO) and resulting Barr bodies; the Lyon hypothesis; the proposed mechanism of Calico cats
Sophia Learning
Sophia: Changes in Chromosome Number: Lesson 2
This lesson will explore what types of events can change the number of chromosomes an individual has and the physical outcomes of having an abnormal number of chromosomes. It is 2 of 5 in the series titled "Changes in Chromosome Number."
Sophia Learning
Sophia: Changes in Chromosome Number: Lesson 3
This lesson will explore what types of events can change the number of chromosomes an individual has and the physical outcomes of having an abnormal number of chromosomes. It is 3 of 5 in the series titled "Changes in Chromosome Number."