what came first an egg or hen.why and how?
5440
This is actually very easy to answer, based on evolution the egg had to come first. Evolution works like this: There are slight changes in the genetic information of the sex cells (i.e. eggs and sperm) of individuals that are passed on to the offspring of any two parents. These changes in the genetic makeup are called mutations. Mutations can either have: 1) A deleterious effect on the offspring (genetic disorders may arise, many times these are lethal); 2) sometimes these mutations may be advantageous, making an individual more fit than its neighbors (this is sometimes referred to as conferring an advantage); or 3) these mutations can have no effect, making no change from parent to progeny.\n\nIn the case of the chicken, it must have evolved from something else that became less fit than the chicken and eventually becoming extinct. The chicken became a chicken from this other organism through mutations that built up over time in subsequent generations. However, whatever the genetic makeup that finally became defined as a chicken, that individual was first conceived and developed in an egg before being hatched. The egg and sperm that fused to produce the chicken didn't bypass the period of gestation within an egg that had developed in the bird family millions of years before the chicken came along.\n\nSo the simple answer to this question is the egg came first -- unless you believe in fairy tales?
1153546
We don't actually know. If the chicken came first, an egg was needed to hatch into that chicken in the first place. If the egg came first, a chicken would be needed to hatch an egg. There is no definite answer (yet anyway).
507372
If you believe in the Bible, the chicken came first. "And the evening and the morning were the fourth day. And God said, 'Let the waters bring forth abundantly the moving creature that hath life, and fowl that may fly above the earth in the open firmament of heaven'." Genesis 1:19-20. Chickens are a type of fowl, so the Christian Bible says that chickens came first. \n\nIf you have a different religion, you might have a different belief about the how the treasures of the earth came to be. In the science of evolution, both chickens and eggs came before man. Since both the birds and the eggs were on earth first, historians weren't around to record which came first. \n\nWhichever answer you gave, it's okay. A chicken can't be born without a chicken egg and a chicken egg can't be laid without a chicken. Both chickens and eggs are important!
494548
The chicken definitely came first when God created the animals and then the chicken layed the egg.\n\nOh, F.Y.I and P.S. to all you city dwellers:::\nChickens lay eggs whether there's a rooster present or not.\nHe hasn't got a thing to do with her egg production. His job is to FERTILIZE the egg before she lays it thereby creating a chick.
997503
Which came first the chicken or the egg?\nThe egg is in the chicken and the chicken is in the egg.\nThey came as one.\n\nHeaven for one may well be Hell for another, and Hell for one may be Heaven for another.  Heaven and Hell make one Kingdom...\nThey came as one.\n\nYes and No...\nThey came as one.
18394
The egg came first, from something that was close to, but not quite a chicken. What came out of the egg was a mutation, also known as the first chicken, or at least close to one. Since it was able to successfully breed, its mutated genes were passed on, and much later on, chickens were able to dominate, while their earlier ancestors became extinct...
86425
The first chicken was hatched from an egg of something that was not quite a chicken. That's evolution :-)
107389
All living things are created by God (or whatever higher power you believe in) so the chicken had to come first.  The egg is not alive yet.
267464
The egg, because chickens are the result of evolution, so the egg is the correct answer
995819
I think the chicken evolved from something else (or God created the chicken), and the chicken was made to then reproduce. And then from the reproduction came the egg. Because you see, a egg can come from a chicken, but an egg cannot be created without a chicken. A chicken can evolve from other animals, but it cannot come from an egg originally.
26897
In order for an egg to hatch it must be fertilized.  Therefore, it takes two creatures to make a fertile egg.  For the chicken to predate the egg, there would have to be two chickens before the egg; a hen and a rooster.  Eggs are also often laid in batches.  Therefore it seems more likely that two creatures (not quite chickens) conspired to fertilize and lay a batch of eggs that became (male and female) chickens and when hatched they could have even more chickens.  This proves that the eggs were first.  A chicken is distinct from all other creatures because of its unique DNA and number of genes as received from two parents.  Only in the egg could the first correct set of DNA occur.  But I don't want to end an interesting argument.
541818
The chicken came first
76351
the egg was first becuz of a strange cross breed\nbut the chicken could reproduce among them selves so they did and they prospered
224362
the egg. it was formed by organisms and eventually hatched.\n\ni first thought, well, if the chicken came first, it had to come from and egg, but then that egg would have to come from the chicken, then that chicken had to had come from and egg, and so on and forth
190885
People will keep asking this question... (681 times and counting)\nhttp://answers.yahoo.com/search/search_result;_ylt=ArqSG_s0jG4ok1r1mx8sEIIjzKIX?p=chicken+or+the+egg\n\nHere's my answer, cut and paste from my answer to the same question asked the other day:\n\nThere were eggs long before chickens.\n\nDinosaurs laid eggs, for example, and birds evolved from dinosaurs.\n\nGuess what, a chicken is a bird.\n\nWhatever bird chickens evolved from laid eggs, so wherever you draw the line in the sand and say "here was the first chicken", well, that chicken had a mother who laid the egg.\n\nEggs came before chickens.
211980
....and goes ROAST??\n\nor the answer to egg-chicken ques....\n\nThe modern chicken is generally believed to be a descendant of "Archaeopteryx", the oldest known bird. This 150 million ear old resident of the jurassic period laid eggs, and at some point of time, evolved into an animal that was one generation away from being a proper chicken. This creature would have produced the egg out of qwhich the first chicken emerged...the EGG came first.
88800
The egg must have come first.\nLiving things evolve through changes in their DNA. The chicken evolved from the non-chicken through small changes caused by the mixing of male and female DNA or by mutations to the DNA that produced the zygote. Prior to that first true chicken zygote, there were only non-chickens.\nSo the egg came first.