Who do you look like in your family? Whose eyes do you have? Whose ears? Who is responsible for your head of hair or lack of it? We are born with certain characteristics — they come from our parents, sometimes from our grandparents. That's called heredity.
What is the resemblance in God's family? How can people have a family resemblance when they come from all over the world?
We certainly don't look the same.
The Bible says: Beloved, we are God's children now; it does not yet appear what we shall be, but we know that when he appears we shall be like him… (1 John 3:2)
But that's not heredity, that's Christianity.
Prayer: Gracious God: This is yet another day to grow up, to become something more than we are. Help us to see the goal, that we all will grow into the full measure of Christ and that at our end, we will see the great family from which we have come and into which we grow to the endless praise of God. Amen.