Register
Why is a person who has Klinefelter's syndrome (XXY) a male, even though he has two X chromosomes in his cells?
95.9k views
4 votes
Why is a person who has Klinefelter's syndrome (XXY) a male, even though he has two X chromosomes in his cells?

User Damon Abdiel
by
8.0k points

1 Answer

5 votes
The Y chromosome is still present in his cells, and therefore is still male, despite the presence of two X chromosomes. The Y chromosome ultimately determines the person's sex. 
User Kerisnarendra
by
7.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.2m questions

11.9m answers

Other Questions

Which of the objects is living or nonliving: Bacteria, virus, moss, you, a lemon seed, the air, bread, lettuce and rocks?
Why aren't all minerals gemstones?
What are three important types of forces
Two methods of active transport
How can paleontologists help us understand the past
Link Copied!