News tagged with sex cells

X chromosome inactivation

Each cell in a woman's body contains two X chromosomes. One of these chromosomes is switched off, because nobody can live with two active X chromosomes. Hendrik Marks and Henk Stunnenberg, molecular biologists at Radboud ...

dateAug 19, 2015 in Biotechnology
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DNA which only females have

In many animal species, the chromosomes differ between the sexes. The male has a Y chromosome. In some animals, however, for example birds, it is the other way round. In birds, the females have their own sex chromosome, the ...

dateJun 04, 2015 in Biotechnology
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Pining for a beetle genome

The sequencing and assembly of the genome of the mountain pine beetle, Dendroctonus ponderosae, is published online this week in Genome Biology. The species is native to North America, where it is currently wreaking havoc ...

dateMar 26, 2013 in Biotechnology
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Researchers solve plant sex cell mystery

(Phys.org) -- Although farmers have been manipulating plant germlines since the Neolithic, plant sex cells have stubbornly guarded the secret of their origin. The surprisingly simple answer – low oxygen levels – ...

dateAug 07, 2012 in Biotechnology
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