2006-07-06 22:02:19 · 12 answers · asked by crimzonwaterfall 1 in Science & Mathematics ➔ Biology
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2006-07-06 22:06:58 · answer #1 · answered by jennifersuem 7 · 0⤊ 0⤋
Selective Breeding is when the male and female are purposly mated to enhance a specific trait. Picture all the breeds of dogs. They all started from wolves (C. Lupus if I've got it right). So I decide I want to create a dog with spots. So I take a male and female that have something close to what I want and breed them. I continue to do this, hopefully getting closer and closer to the look (phenotype) that I want. Eventually the hope is to eliminate all other color possiblities so that I get to the point where when I breed my spoted dog to another one of my spotted dogs, I know I'll always have spotted puppies because their genetic makeup (genotype) will only allow for that triat. Selective breeding can be done for many reasons, but it usually takes a long time and often inbreeding to isolate a specific trait.
2006-07-06 22:16:51 · answer #2 · answered by Charlie 2 · 0⤊ 0⤋
You let your population breed as they will but you weed out some of the zygotes (breeders) before they get a chance to breed. You introduce patriotism and nationalism and get the young males to march off to war, where the slow and stupid get killed, mostly before they get to breed. You introduce cars and freeways and get the young breeders of both sexes to spend a lot of time in them (on them), where the reckless and stupid get killed, mostly before they get to breed. If they're breeding too fast and you want to slow them down a little (and still breed selectively for intelligence), you introduce AIDS, which strikes hardest at the most rapidly reproducing, least self-controlled, least foresighted parts of your population, and if it doesn't get them before they reproduce, at least it gets their offspring as well. And if the whole experiment goes off track, wipe out all but a managable handful and start fresh. A little extra background radiation just increases the mutation rate, gives you a little more variety to select from.
Get the picture? Not a real pretty one, but I'm as pessimistic as Mark Twain at 2 am.
2006-07-06 22:33:16 · answer #3 · answered by Philo 7 · 0⤊ 0⤋
Poodle with Poodle
German Sheppard with German Sheppard
Bull Dog with Bull Dog
Rottweiler with Rottweiler
Your targeting and selecting a specific group, so that the results will be that what you want to achieve.
They are doing it with people now too. Blond blue eyes, 6ft.tall, no known illlnesses with someone the same, so that their baby will also be the same.
2006-07-06 22:10:02 · answer #4 · answered by Donny W 3 · 0⤊ 0⤋
selecting individuals to breed who display traits for which the selector deems as favourable, in an attempt to produce pure-breeding individuals with those traits in exemplar.
2006-07-06 22:08:55 · answer #5 · answered by blank 3 · 0⤊ 0⤋
selective breeding is where you choose which male to amte to which female in order to enhance certian attributes, instead of the animals just mating as they meet with any old male.
2006-07-06 22:06:32 · answer #6 · answered by mike-from-spain 6 · 0⤊ 0⤋
That's when I decide I only want to have BLONDE children so I breed myself with you until the kids are totally blonde...
Actual mileage may vary...
2006-07-06 22:06:37 · answer #7 · answered by R J 7 · 0⤊ 0⤋
It's "guided evolution". With humans doing the guiding rather than nature.
2006-07-07 00:12:06 · answer #8 · answered by Anonymous · 0⤊ 0⤋
when two chosen animals are mated so the offspring will gain the desired features e.g. long legs,colour,eyes,fur
2006-07-06 22:14:00 · answer #9 · answered by Janet R 1 · 0⤊ 0⤋
See my 360.
2006-07-06 22:21:16 · answer #10 · answered by d260383 5 · 0⤊ 0⤋
must put my glasses on thought you asked what is selective BLEEDING
2006-07-06 22:11:07 · answer #11 · answered by Anonymous · 0⤊ 0⤋