No Resemblance

I have come to the odd realization that I don't look much like my younger brother. Before now I always thought we looked pretty similar, considering we're siblings and all, blood related, etc. But ever since he came to school and people saw the two of us together they keep saying how we don't look a thing like each other. Is it because he's blond or something? I know, it's his beard, right? I don't get it. But maybe it's because I've seen him for years and years and I see more resemblance or something. Either way, it makes for fun conversations with people.
JP: So, what's your name?
Me: Alison.
JP: Where are you from?
*I point to my brother*
JP: Uh.. wha? I don't...
Daniel: She's my sister.
JP: I really don't see the resemblance.
Me: He's got the defective genes!
Daniel: I'm not defective! I just got the BEST genes.
Me: You're blond! And your eyes are the wrong color!

Basically, it's like this:
My parents both have dark brown hair and blue eyes. I have four older siblings, all of whom have brown hair and blue eyes. My older brother has hair so dark it's black. One of my older sisters was born blond, but it went dark by the time she was three. I have the brown hair and blue eyes too. Add to this that we all sunburn. We'll tan eventually, we just have to get burned first. A lot. Both my dad and I are pretty inflexible too. Inflexible to the point I can't reach my left shoulder with my right hand. Can't scratch my own back either. And that is REALLY annoying.
Then, there's Daniel. Blond hair, green eyes, so double-jointed it's almost disturbing, and has a perfect tan 365 days a year. Seriously.
So yes, he looks different, but I didn't think it was THIS different. Not so different no one can tell we're related unless we tell them. My roommates agree as well. Genetics are so funny.