On Tue, Jan 23, 2007 at 11:01:52PM -0500, Karen Thomas wrote: > Do you believe that humans are on average taller than they were in the > 1800's?
sure, but that's nutritional, not genetic. > Have you ever seen a dog breed visibly change in 10-20 years? Have > you ever looked at pictures of any given horse breed from, say, 50 years ago > versus today? Are you aware that MOST horses in Europe were indeed > "amblers" until about the 1600-1700's? Are you aware that "amblers" all but > disappeared in Europe until the mid-1900's? all of which required immense amounts of human intervention to breed for specific traits (esp. in the dog world). > Characteristics change in ever mammalian species over time...sometimes very, > very quickly. sure, but not at random. --vicka
