hi ...
nice story...
well honeybees used to have that kind of business.(:low level quality male production...but males are needed to have a real breed bsns.then males will be terminated...o my god)
males means nothing more than the females...(every creature born as female....later happens to be a male/female decision) so we males have breasts (so antic tribes used to have some special technics to activate the males' breasts for milk production ...they say that... may be just a legend)
and we got some animals frogs,lizards that change their sex male to female and v versa....
the differences of male/female produced by the hormones commonly known as testosteron(muscle/hair builder) and oestrogen(fat stocker)...
the only female animals that contains much more testosteron than her male are hyenas....they are so greater in mass than their males.....and much attack and dangerous mood...willing to fight.......etc
male/female production gives a path to both random and selective choices...so female gorillas,bears choose the males...(the most shining apple) but only female or only male breed gives the same dna activity/result...
2 adult production gives high quality offspring that can adapt to the environment (it may be male/male even : snails are hermaphrodits... bot give and get sperms...)