Righting responses (location the frog on its back and check out it right itself; may possibly require numerous makes an attempt) This has led to some unavoidable misinterpretations- by way of example, it is usually mentioned that Xenopus limb buds haven't any apical ectodermal ridge, a morphological signalling centre Found https://anstoall.com/which-effect-you-observed-during-pithing-of-the-frog/