I was reading about Hardy-Wienberg equilibrium on Wikipedia and there are seven assumptions underlying HW
It is mentioned that sexual reproduction one of the assumption and is a must for HW, but according to some answers given here on Biology STack exchange crossing over in sexual reproduction can result in exon shuffling here is the answer I am referring to
so my question is- 1.can exon shuffling cause a new allele to appear in the population?
2. If a new allele can appear in the population during the cross over or due to crossing over as it is a random process that will surely change the allelic frequency so how can be sexual reproduction can be a underlying assumption for HW? it should be in the list of things that can affect Hardy-Wienberg like mutation and sexual selection
3. Does in majority of cases crossing over only causes reshuffling of allele but not the formation of a new allele? is mutation by crossing over is rare?
4. Can Independent assortment and Linkage have any effect on Hardy Weinberg law?