See here for an example of microscopy, https://journals.biologists.com/dev/article/118/2/575/37992/The-role-of-the-monopteros-gene-in-organising-the
(you might have a problem obtaining chloral hydrate, which is a shame because it’s often used for preparations)
although the pictures I remember were probably from this one or thereabouts (but it references the first one anyway); very beautiful, but I’ve never done it myself https://www.researchgate.net/figure/Vascular-pattern-development-in-wild-type-A-B-and-in-fkd1-C-D-cotyledons-and-mature_fig1_10607469
See here for an example of microscopy, https://journals.biologists.com/dev/article/118/2/575/37992/The-role-of-the-monopteros-gene-in-organising-the
(you might have a problem obtaining chloral hydrate, which is a shame because it’s often used for preparations)
although the pictures I remember were probably from this one or thereabouts (but it references the first one anyway); very beautiful, but I’ve never done it myself https://www.researchgate.net/figure/Vascular-pattern-development-in-wild-type-A-B-and-in-fkd1-C-D-cotyledons-and-mature_fig1_10607469