Fig. 4. Fractionation of yolk granules (YGs). (A) DIC light microscopy showing the
day 0 total yolk granules before fractionation by differential centrifugation.
(B,C) YG fractions after differential centrifugation. Note that the top (B)
and pellet (C) fractions are enriched in small YGs (SYGs) and large YGs
(LYGs), respectively. Scale bars, 200 µm.