The good dad/bad dad theory predicts that the offspring of sick young males should fair poorly because papa will spend more time on himself, while those of old males should do better as the sick males redouble their parental efforts.
That idea might enrage you if you think kids today already spend too much time staring at screens or if you are already sick of your offspring's incessant prattling about fighting zombies and the like.
One concerns "helicopter parents" (largely at the top of the social scale), who hover over their children's lives, worrying themselves sick, depriving their offspring of independence and doing far more for them than is actually beneficial.
That calf was sent to a feedlot in Sunnyside, about 10 miles north of the Mabton ranch, but because officials cannot pinpoint the calf, they plan to kill all bull calves in the feedlot herd of 464 that are under 30 days old, the same age as the sick cow's offspring, said Linda Waring, a spokeswoman for the state's Department of Agriculture.
As federal investigators search for cows that were imported from Canada with the cow that was found to have the nation's first known case of mad cow disease, Washington State officials have begun a process that will kill the offspring of the sick cow.
When Vladimir suggests that having children might give Katerina a purpose in life, she sarcastically replies: "What's pointless is producing offspring you know will be sick and doomed, since the parents are sick and doomed themselves.
However, all of these sick mice died soon after transplantation, and generation of transgenic offspring to carry on the follow-up study is impossible.
Two other offspring of Sui-chu Kwan, a daughter and a son, also got sick but later recovered.
Migrating "weeds out some of the sick monarchs every year," preventing them from passing the parasite along to their offspring.
