This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Assessment of Growth, Subject name: Pediatrics
Age at which child can tell gender? 
Select and explain. 
A. 2 years, B. 3 years, C. 4 years, D. 5 years
B: 3 years
Answer: B: 3 years 
Explanation: Ans. (b) 3 yearsRef: Nelson 18th ed., Chapter 9Milestones at 3 years of age( most of these have been asked in previous years)* Can tell age gender and recall story* Rides tricycle* Stands momentarily on one foot* Makes tower of 10 cubes; imitates construction of "bridge" of 3 cubess* Copies circle* Imitates cross* Plays simple games (in "parallel" with other children)* Helps in dressing (unbuttons clothing and puts on shoes)* Washes hands