A member asked:

Is your younger sibling suppose to be taller than the older sibling?

A doctor has provided 1 answer

No: Everyone is genetically unique, so it's a roll of the dice whether a younger sibling will be taller or not as an adult. The average height at 2 years, however is very predictive of end adolescent height for 80% boys and girls

Answered 1/4/2015

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