Humans have approximately 24,000 genes, but fruit flies are not far behind, with approximately 14,000 genes.
Not all of those offspring are likely to live to adulthood, whereas the parent penguin can pay attention to the one chick it has so it is more likely to live to adulthood
Scientific advancement has increased food safety by the use of preservatives, refrigeration, better packaging, labels with expiration dates...that's a good many right there!
