Related topics: chromosomes

Big bang: Dutch firm eyes space baby

Climate crises, nuclear Armageddon, or a sudden meteor strike—it's clear humanity could do with Planet B. But first we need to learn to reproduce safely in space, says Dutch entrepreneur Egbert Edelbroek.

How egg cells store proteins for the beginning of a new life

When mammals have offspring, they invest a lot. Unlike fish or frogs, the embryo cannot develop on its own. It has to implant in the uterus, where it is supplied with everything it needs to survive. Until this happens, the ...

Understanding drivers of egg cell development

Northwestern Medicine scientists have identified how cytoskeletal proteins contribute to the growth of developing eggs in fruit flies, findings that further the field's understanding of how egg cells form and differentiate ...

Mature sperm lack intact mitochondrial DNA, study finds

New research provides insight about the bedrock scientific principle that mitochondrial DNA—the distinct genetic code embedded in the organelle that serves as the powerplant of every cell in the body—is exclusively passed ...

Uncovering the secrets of how chromosomes assemble

Experiments using extracts from African clawed frog eggs have revealed how a key protein complex is regulated to assemble chromosomes during cell division. This finding could help to shed light on the development of certain ...

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