pair - rule mutant Even-skipped (Eve), for example, which is discussed in Chapter 7, lacks the whole of each odd-numbered parasegment, while the pair-rule mutant Fushi tarazu (Ftz) lacks the whole of each even-numbered parasegment, and the pair-rule mutant Hairy lacks a series of regions that are of similar width but out of register with the parasegmental units.
Nagu näha, siis vastuse leidmine on päris raske, aga lendamine on hoopis imelihtne - tuleb vaid maa poole viskuda ja mööda kukkuda.