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When Mammals Mix

1398 Views 21 Replies 7 Participants Last post by  Cloud Strife 7

I did not know that so many animals had not yet seperated completely so that they could not mate between them. The 400 pound dolphin mating with the 2000 pound false killer whale thats not right.
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Cid Highwind said:
Isn't the mule a prime example of it?
I thought that was the exception but apperently it is not.
Razor Blade said:
Hmmm personally, i'm kind of suspicious about this. I mean a 2000 pound whale and a 400 pound dolphin mating? I don't see that being possible. Not to gross anyone out but the size of a whale's penis probaly would near the size of the dolphin itself! Unless these wee genetically altered or 'spliced' I do't see these being possible by any natural means.
I think the information is correct since the website is the online version of Newsweek, a respected weekly news magazine (however they did get the story of U.S. soldiers abusing the Quran (Koran) wrong and somepeople claim that spark riots that ended up killing a few dozen people) and the voice you hear is of a biologist here he has a somewhat popular animal program. and yes some of animals were genetically engineer meaning it couldnt happen in the wild but still they still had to have many genetic similarities for the offspring to be giving birth and develop to full adults.
Otrivin said:
I though that different species of animals have varying number of chromosomes, so it automatically nullifies, the reproduction stage. In Biologyical Engineering, we study that only the same species can reproduce successfully, resulting in an offspring. That is to say that if 46 chromosomes male cross with a 46 chromosome female, a 46 chromosome offspring is produced, isnt that right?

Horses have 62 chromosomes and donkeys have 64 chromosomes. The mule has 63 chromosomes. Since the mule has an odd number of chromosomes is sterile because the chromosomes wouldn't line up together at meiosis when creating eggs or sperm. So hybrids are usually are usually sterile. So animals to interbreed between species like horses and donkeys dont need same number of chromosomes.
Cloud Strife 7 said:
What if an individual with 62 chromosomes mates with an individual with 66 chromosomes? Then the hybrid will have 64 chromosomes, which means the chromosomes can separate at meiosis (32 on one side,32 on the other),and so it will not be sterile, right?
I suppose if the species are compatible, close enough for it to happen, but I doubt if an animal with a difference of four chromosomes would be closely related. Even if they were the genes that are needed to form the organism must all needed to be carry on the chromosomes so it would be very improbable but not impossible.

Otrivin said:
Its only good while it lasts then, and then Poof no more. unless another two mix right? heh this is really funny
and stupid
and unnatural
If it happens naturally is not unnatural then but it is rare. The only mixed that are unnatural are those genetically engineer.
According to Dr. Mike Conrad (Ph. D. in Microbiology) No.

"To start with, in the test tube, human sperm don't bind to the receptors on
a chimp egg. And even if they did, or you used in vitro fertilization to
directly inject the sperm into the egg, the chromosomes wouldn't pair up.
Humans have 46 chromosomes while the other apes have 48 chromosomes.
Sometime, way back when, on the way to **** sapiens, the monkey chromosomes
11 and 12 fused to form what is now human chromosome 2. There are also
eight major inversions in human chromosomes when you try to match them up
with chimp chromosomes. Chromosome pairing is necessary for fertilization
and the development of the egg."

No one has ever confirmed a human producing an offspring with any other animal.
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Cloud Strife 7 said:
How did you guess that I was thinking of monkeys?
You are not the first one to think of that. Even more many scientist believe the HIV virus passed from monkeys to humans either through humans eating monkeys or humans having intercourse with monkeys. Anyways monkeys are the closest animals to humans with champazes having 98.4 percent of the same genetic material as humans. What differences a few genes makes on a species.
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