Can we receive monozygotic (identical) twins in apes?

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The discussion centers on the feasibility of creating monozygotic (identical) twins in apes, specifically chimpanzees or bonobos, through in vitro fertilization techniques. The proposed method involves fertilizing an egg cell, creating a zygote, and then carefully splitting the morula into two parts before implantation, which could theoretically result in identical twins. However, there is uncertainty about the effectiveness of this approach in apes. Additionally, the conversation touches on the potential use of hormones or substances, like PZP (porcine zona pellucida), which have been successful in inducing twinning in other animals, such as sheep, but their applicability to apes remains unclear. Further research and consultation with experts in animal reproduction are suggested for more definitive answers.
Eagle9
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Hello again :oldsmile:

Let’s assume that for some scientific reasons we need to have monozygotic (identical) twins in apes, for example in chimpanzee or bonobo.

So I take egg-cell from female, fertilize it with spermatozoon and receive zygote and it (more precisely morula) later can be implanted in female, an ordinary In vitro fertilization (but in animals) actually.

But before implanting I can cut morula in two (or more) pieces very carefully. Each part now is independent morula, both parts contain only undifferentiated cells and I can implant both of them in female and it will give birth to identical twins, this can be done?

Or perhaps there is another way? Can we give some chemical substance (hormone maybe?) to female ape just after/before female has sex with male ape? Can such substance in principle cause the zygote/morula to divide in two parts/twins? :oldeyes:
 
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That's an interesting question! I'm not sure if it's possible to create monozygotic twins in apes through the methods you mentioned, but I do know that it is possible for other animals like sheep. There are certain hormones and proteins that can be used to induce twinning in animals. For example, a hormone called PZP (porcine zona pellucida) has been used with some success to induce twinning in sheep. However, I'm not sure if the same process would work in chimpanzees or bonobos. You might want to do some more research on the subject or consult with a veterinarian or scientist who specializes in animal reproduction.
 
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