Biology
Medium
Question
Trisomy 21 is most common in mothers of the ________ age group.
A
15 to 19
B
20 to 34
C
35 to 39
D
40 to 45
✓ Official correct answer
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
15 to 19
No member explanations yet for this option.
B
20 to 34
No member explanations yet for this option.
C
35 to 39
No member explanations yet for this option.
D
40 to 45
No member explanations yet for this option.