[Spoppys]

Yes it is totally supported by evolutionary algorithms. Traits that are harmful in some situations and beneficial in others can be passed on, like sickle cell anemia which gives a degree of protection against malaria. The same as traits which are beneficial to some of your offspring and advantageous to others, like a strong jaw. Which would probably look better on your sons than your daughter.

It can be evolutionary advantageous for some of your kids to come first, even if it means others come last, rather than all your kids coming second.