Supergene (geology) and something called gossan cap
In ore deposit geology, supergene processes or enrichment are those that occur relatively near the surface as opposed to deep hypogene processes.
Supergene
A supergene is a chromosomal region encompassing multiple neighboring genes that are inherited together because of close genetic linkage, i.e. much less recombination than w
Divergence and functional degradation of a sex chromosome-like supergene (the sparrow with four sexes)
In January 2016, when the paper was published in Current Biology, it showed unequivocally that chromosome 2 was evolving like a sex chromosome. White–white and tan–tan matings