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ruth

Member

Registered: 16th Jan 04
User status: Offline

19th Jul 04 at 20:01

what came 1st the chicken or the egg?
please settle our arugement

[Edited on 19-07-2004 by ruth]

Stuckey

Member

Registered: 5th Jun 02
Location: Plumstead, Greater London
User status: Offline

19th Jul 04 at 20:28

the chicken evolved from a dinosaur

Ben

Banned

Registered: 12th Jan 03
Location: West Yorkshire
User status: Offline

19th Jul 04 at 20:30

quote:
Originally posted by ruth
what came 1st the chicken or the egg?
please settle our arugement

[Edited on 19-07-2004 by ruth]

1st things 1st , learn how to spell

Gavin

Premium Member

Registered: 3rd Apr 02
Location: West Midlands
User status: Offline

19th Jul 04 at 20:43

aliens created the egg.....

pew pew pew pewwwww

Graham

Member

Registered: 12th Oct 03
Location: Lincoln.
User status: Offline

19th Jul 04 at 20:46

In nature, living things evolve through changes in their DNA. In an animal like a chicken, DNA from a male sperm cell and a female ovum meet and combine to form a zygote -- the first cell of a new baby chicken. This first cell divides innumerable times to form all of the cells of the complete animal. In any animal, every cell contains exactly the same DNA, and that DNA comes from the zygote.

Chickens evolved from non-chickens through small changes caused by the mixing of male and female DNA or by mutations to the DNA that produced the zygote. These changes and mutations only have an effect at the point where a new zygote is created. That is, two non-chickens mated and the DNA in their new zygote contained the mutation(s) that produced the first true chicken. That one zygote cell divided to produce the first true chicken.

Prior to that first true chicken zygote, there were only non-chickens. The zygote cell is the only place where DNA mutations could produce a new animal, and the zygote cell is housed in the chicken's egg. So, the egg must have come first.

Ian

Site Administrator