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What is Child knows his/her sex by age of- and explain in detail?
Ans, is 'b' i.e., 3 year AgeMilestone2 MonthSocial smile3 MonthRecognise mother6 MonthStmger anxiety9 Monthwave bye - bye12 MonthComes when called15 MonthJargon18 MonthsCopies parents task2 yearAsk for food, drink, shows toys3 yearKnow full name & gender4 yearPlays in group.5 yearHelps in household task, decrease & undresses