What is there to know about red star sexing?

[brklync]

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This is one of my 5 week old red star
How do I determine its sex?

 

[brklync]

 

[brklync]

All the same chick the photos didn't all show up on the same post

 

[bloonskiller911]

that should be a pullet, males are white with red bleed throung on the shoulders