News tagged with gene expression

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When butterfly male sex-bias flaps its wings

In butterflies, sex is determined by chromosome differences between males and females. But unlike in humans with the familiar X and Y, in butterflies, it is the females that determine the sex of offspring.

dateJul 06, 2017 in Evolution
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Microbes seen controlling action of host's genes

All animals—from sea sponges to modern-day humans—evolved in a world already teeming with microbes. These single-celled microorganisms now cover practically every surface of our bodies and are as much a part of our biology ...

dateMay 17, 2017 in Biotechnology
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The gene that starts it all

The formation of a human embryo starts with the fertilization of the oocyte by the sperm cell. This yields the zygote, the primordial cell that carries one copy each of the maternal and paternal genomes. However, this genetic ...

dateMay 01, 2017 in Biotechnology
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