How Researchers Made Mice Pups from Two Moms and Two Dads | SciShow News | Summary and Q&A

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October 19, 2018
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How Researchers Made Mice Pups from Two Moms and Two Dads | SciShow News

TL;DR

Researchers have successfully bred healthy, living offspring from same-sex mouse parents, challenging the traditional model of sexual reproduction.

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Questions & Answers

Q: How did researchers at the Chinese Academy of Sciences breed healthy offspring from same-sex mouse parents?

The researchers used haploid embryonic stem cells and modified genes or combined chromosomes to engineer offspring from same-sex mouse parents.

Q: What is the significance of this research?

This research challenges the traditional model of sexual reproduction and raises questions about long-established beliefs regarding how mammals reproduce.

Q: What is genomic imprinting, and how does it affect offspring?

Genomic imprinting is a mechanism that keeps certain genes from being expressed. Offspring with two sets of maternal genes, for example, may develop abnormally or stop growing completely.

Q: Can this technology be applied to humans?

While human haploid stem cells have been created for research purposes, the technical and ethical considerations of using this technology in humans are still significant.

Summary & Key Takeaways

  • Researchers at the Chinese Academy of Sciences have bred healthy offspring from same-sex mouse parents, with some having two moms and others having two dads.

  • The classic model of sexual reproduction involves a sperm cell fertilizing an egg cell, but this research questions this long-established belief.

  • By using haploid embryonic stem cells and modifying genes or combining chromosomes, the researchers were able to engineer offspring, although their long-term health and survival are still a challenge.

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