Genetics

Why does making new egg cells require so much cell death?

A highly detailed study of how the roundworm C. elegans forms oocytes suggests that the egg-making process leads to the formation and subsequent destruction of cells with an extra nucleus, but that some cellular materials ...

Genetics

Two dads, one baby? Gene technique works in mice

For the first time in history, scientists have created mice with two dads, foretelling a day when same-sex couples may be able to have biological children of their own.

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