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i heard that there is a slim chance, but it has happened where women get pregnant by themselves. the egg drops down and uses a part of the women's DNA to create a "baby", although, not a perfect fetus, it does have some limbs and features of a human,but has to be taken out of the mother and die shortly after. have you heard of such a thing? if so, explain all you know about it. thanks

2006-09-14 15:55:05 · 27 answers · asked by anna c 2 in Science & Mathematics Biology

27 answers

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2006-09-14 15:56:33 · answer #1 · answered by Anonymous · 0 4

Female DNA has two x chromosomes and Male DNA has an X and a Y chromosome.
You need a sperm cell to make a foetus and most hermaphroditic people are (as far as I am aware) infertile.
I think what you are talking about could be a situation where some cells developed into a person while some other cells started to grow into another foetus effectively inside the person. You also get a cancerous growth where cells divide an form eg hair and teeth but not an individual. You do get a situation called a parasite baby - but that is usually diagnosed at birth.

2006-09-19 17:20:53 · answer #2 · answered by kerrie t 2 · 0 0

It is possible to get pregnant without actual intercourse! Just a dab of the special juice will do ya! So dont play around down there unless you are careful where hands are going etc. Dr. Ruth would definitely know this one! As far as humans self-replicating or being asexual I have never heard of such a case. It would take two eggs and the chemical process needed probably is not contained by the eggs alone. Could someone quote a case of human asexual pregnancy? Besides cloning of course!

2006-09-14 16:20:25 · answer #3 · answered by jane j 2 · 1 0

I don't think so, no. There is a a very faint chance of a zygote separating into twins and then recombining, resulting in a single baby with two sets of DNA (called a "chimera") but that isn't what you are asking.

Pregnancy requires sex. Of the last 2 billion babies born, the only one I've heard of that was born without sex was in Australia in the 1960's, for which the hymen was in place and the father was listed -- I kid you not -- as the "municipal swimming pool."

That's it --one story like that in the last 40 years. Pregnancy implies penile-vaginal intercourse.

2006-09-14 16:02:36 · answer #4 · answered by urbancoyote 7 · 1 0

All sperm provide is half of DNA, so I can imagine where some how by freakish accident woman's egg somehow obtain entire set of DNA (or two eggs fussing?) and baby develops creating essentially the clone of that woman. I don't think boy can come out of this since woman do not have Y chromosome.

Woman's egg have everything needed and all it needs is other half of DNAs for the baby.

2006-09-14 20:15:23 · answer #5 · answered by Anonymous · 1 0

Impossible. An egg has to be fertilized by a sperm in order for further development to take place . . . NO exceptions.

A fertilized egg, due to complications can as you described, but it would have to be a fertilized egg.

Always take everything you hear or read with a grain of salt. Just because it's written in a big pretty, bonded book or it's heard on network TV news doesn't constitute a fact. Research, research, research.

2006-09-14 16:03:43 · answer #6 · answered by De Expert 3 · 1 0

Actually, it has been said in pregnancy books since I was a kid, and I am 64, that technically it is possible if a man ejects his genetic material on a woman's vagina, for a sperm to find its way into the workings and make her pregnant.

However, it is believed to be extremely rare! That little rascal really has a long ways to go, and a lot of hazards to get past.

No, I never heard of that other thing, a woman self fertilizing, really happening. that sounds less likely than the non-sex pregnancy.

2006-09-14 15:59:10 · answer #7 · answered by retiredslashescaped1 5 · 1 0

What you are asking about is twofold. Either it is parthenogenesis, in which the ovum starts to develop without fertilization, using female genes to replace the male ones, or it is hermaphroditism, in which the mother has both sex organs and can therefore provide both the male and female parts. I have not found any scholarly work that indicates human reproduction of either type, but many interesting articles are available. Just plug in "parthenogenesis" or "hermaphrodite" into your search engine, and you'll have mega-sites to explore.

2006-09-14 16:10:22 · answer #8 · answered by SympatheticEar 4 · 1 0

I remember hearing something about this in high school. I do believe that it is true, but so incredibly rare that you will never hear of it in your lifetime, and most likely the product of such a union (from what i believe would be a fusion of two unfertilized eggs) would most likely be spontaneously aborted in the womb. Other than that, I don't know anything and couldn't find anything online. (In other words, this is just simply me rambling something I think I remember).

2006-09-20 15:03:25 · answer #9 · answered by einstein_15650 2 · 0 1

There is such a thing as "spontaneous Pregnancy" in the medical literature although they all appear to be in conjunction with other serious medical issues in the female.

Do a google search on "Spontaneous Pregnancy" and you'll see. Ignore the articles on "Spontaneous pregnancy loss"

Great Question

2006-09-14 16:07:40 · answer #10 · answered by Scott L 5 · 1 1

regrettably, those different poster's who're saying no... are unsuitable. despite if there became no incredibly penetration it is straightforward to get pregnant. that's often uncommon & notably no longer likely incredibly giving your timing despite if it remains a small danger. Sperm do no longer die as quickly as they hit oxygen, it is in straightforward terms a rumor/delusion so do no longer fall for that if a guy tells you that...sperm can stay as much as a nil.5 hour or extra as quickly as ejaculated and in the event that they have been close to sufficient it could make it is way interior you! Arousal fluid which permits sperm locate their thank you to the cervix became maximum possibly modern so as that would make the sperm stay somewhat longer besides and assist in making it is thank you to the cervix swifter. Take an HPT in a pair weeks. Thats the only advantageous-hearth thank you to be responsive to.

2016-11-07 08:46:38 · answer #11 · answered by Anonymous · 0 0

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