Articles on Genes

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The talamanca hummingbird, or admirable hummingbird, is found in Costa Rica and Panama. Milan Zygmunt/Shutterstock.com

Not all genes are necessary for survival – these species dropped extra genetic baggage

How many genes do you really need? Are there any that we can lose? Researchers are now identifying species that have streamlined their genome to adapt to a particular lifestyle.
Spider glue is actually a specialized silk protein. Sarah Stellwagen

Spider glue’s sticky secret revealed by new genetic research

The glue that gives spider webs their stickiness is a form of spider silk protein. Researchers can imagine cool uses for a synthetic version – but had to wait for the tricky glue gene to be sequenced.
There are many genes involved in shaping not just our biological sex, but also our gender identity. Limor Zellermayer/Unsplash

How genes and evolution shape gender – and transgender – identity

It's not about trauma or how you were raised: evidence now points to a biological basis for transgender, and to the action of particular genes in that determination.

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