13 Jun A brief history of gender testing
Question
GENDER TESTING EXERCISE
Go to:
http://www.hhmi.org/biointeractive/gendertest/gendertest.html
As you complete the exercise online, answer the following questions. You’ll submit your work through a
dropbox in Canvas.
1. List the 5 Olympic sports that still require gender testing. You will need to view “A brief history
of gender testing.”
2. From a biological point of view, there are multiple factors to consider in trying to understand
gender determination. What are the 6 factors presented in the exercise?
3. What is a Barr body? How is it used in gender determination?
4. What is a karyotype? How is it used in gender testing?
5. When does human gonadal differentiation begin?
Define this term as it relates to gonadal differentiation.
What does “bipotential” mean?
6. Found on the short arm of the Y chromosome is the SRY gene. What does “SRY” stand for?
What does this gene do?
7. What are developmental roles of Leydig and Sertoli cells ?
8. What does PCR stand for?
How is PCR used?
9. What would happen if a person had a Y chromosome, but a dysfunctional or absent SRY gene?
10. What is complete androgen insensitivity syndrome (CAIS)?
11. Why do individuals with CAIS develop female secondary characteristics?
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