Practice Quiz for Sex Chromosome Abnormalities

Practice Quiz for
Sex Chromosome Abnormalities

No. of Questions= 5

INSTRUCTIONS: To answer a question, click the button in front of your choice. A response will appear in the window below the question to let you know if you are correct. Be sure to read the feedback. It is designed to help you learn the material. You can also learn by reading the feedback for incorrect answers.

1. Which of the following statements is true of sex chromosome abnormalities in humans?

a) They usually have mild effects and rarely are fatal.

b) Most are not gender specific

c) They cannot be diagnosed before birth.

2. Male sex chromosome abnormalities can be due to abnormal numbers of ______________ chromosome.



a) the X

b) the Y

c) either the X or the Y

3. If someone only has one X chromosome and no Y chromosomes in their somatic cells, they:



a) are metafemales

b) have Turner syndrome

c) have Klinefelter syndrome

4. A chromosomal abnormality that causes a woman to be unusually short in stature (average 4'7"), to have a webbed neck, and to generally lack feminine secondary sexual characteristics is:

a) Triple-X syndrome

b) Turner syndrome

c) XYY syndrome

5. A chromosomal abnormality that causes a man to have asexual to feminine body contours with large breasts; small penis, testes, and prostate gland; relatively little body hair; and sterility is:

a) Klinefelter syndrome

b) XYY syndrome

c) Richard Speck Syndrome

   Return to Menu

Copyright � 1999-2012 by Dennis O'Neil. All rights reserved.

1.	Which of the following statements is true of sex chromosome abnormalities in humans?


		a)	They usually have mild effects and rarely are fatal.
		b)	Most are not gender specific
		c)	They cannot be diagnosed before birth.


2.	Male sex chromosome abnormalities can be due to abnormal numbers of ______________ chromosome.


	a)		the X
	b)		the Y
	c)		either the X or the Y


3.	If someone only has one X chromosome and no Y chromosomes in their somatic cells, they:


	a)		are metafemales
	b)		have Turner syndrome
	c)		have Klinefelter syndrome


4.	A chromosomal abnormality that causes a woman to be unusually short in stature (average 4'7"), to have a webbed neck, and to generally lack feminine secondary sexual characteristics is:


	a)		Triple-X syndrome
	b)		Turner syndrome
	c)		XYY syndrome


5.	A chromosomal abnormality that causes a man to have asexual to feminine body contours with large breasts; small penis, testes, and prostate gland; relatively little body hair; and sterility is:


	a)		Klinefelter syndrome
	b)		XYY syndrome
	c)		Richard Speck Syndrome