Sometimes, errors during the cell cycle lead to irregular sex chromosomes in hum
ID: 214578 • Letter: S
Question
Sometimes, errors during the cell cycle lead to irregular sex chromosomes in humans. There can also be mutations in the testes determining factor (SRY, or Sex Determining Region Y), normally found on the Y-chromosome.
Please indicate the correct gender for each of the following sets of sex chromosomes.
X/X
X/Y
X/null (i.e. without Y)
X/X/Y
X/X/X/Y
X/X/X
X/Y/Y
XSRY/X
X/YSRY-
male
female
- A. B.X/X
- A. B.X/Y
- A. B.X/null (i.e. without Y)
- A. B.X/X/Y
- A. B.X/X/X/Y
- A. B.X/X/X
- A. B.X/Y/Y
- A. B.XSRY/X
- A. B.X/YSRY-
A.male
B.female
Explanation / Answer
Answer:
B. X/X
A. X/Y
B. X/null (i.e. without Y)
A. X/Y
A. X/X/Y
B. X/X/X/Y
A. X/Y/Y
B. XSRY/X
A. X/YSRY-