The leaves you are talking about are called Cotyledon leaves they are the first set of leaves the plant shows. They are not true leaves and don't count. They will turn yellow and fall off once the plant is done using them it normal just part of the cycle of life.
Zandor Reviewed by Zandor on . question about first true leaves. the one on the bottom and the round ones on the bottom are yellow,and look like their dying.do thest fall off or are they dying or overwatering. Rating: 5