Evil yellow dot thing

[Ryan young]

I'm a week into my first grow and on one of
The first leafs of the plant there's this yellow dot yoke
I've been given the plant nutrients so could it be that

[AbbyRoad]

you should try to get a picture uploaded to give us a better idea of what you are talking about

[Bubbles]

probably a nitrogen, or magnesium deficiency. but its really not possible to tell until you give a LOT more information as well as pics.

there are tons of things that can cause chlorosis, so dont go dumping in extra nutrients because of what i said.