chromosome y

Votre frère a un chromosome Y supplémentaire.
Your brother has an extra Y chromosome.
C'est un chromosome Y.
It's a Y chromosome.
Tu savais que le chromosome X portait 3 fois plus de matériel génétique que le chromosome Y.
Did you know that the X chromosome carries three times as much genetic material as the Y?
Donc il a un chromosome Y en plus ?
So he has an extra Y chromosome?
Le chromosome Y, le morceau d'ADN qui fait qu'un homme est un homme, trace une ligne des descendance purement paternelle.
The Y chromosome, the piece of DNA that makes men men, traces a purely paternal line of descent.
Supplémentaire, les mâles ne peuvent pas transmettre le chromosome X à la progéniture mâle pendant que les enfants mâles reçoivent le chromosome Y de leur père.
Additionally, males cannot pass on the X-chromosome to male offspring as male children receive the Y chromosome from their father.
Le plus petit chromosome parmi les 46 chromosomes des hommes est le chromosome Y (selon les calculassions des scientifiques, il y a environ 100 gènes dans ce chromosome).
The smallest chromosome in male among 46 is Y chromosome (according to calculation of scholars there are about 100 genes in this chromosome).
Tous les individus auront exactement le même génotype, si ce n'est que les mâles doivent avoir un chromosome Y et les femelles un second chromosome X.
All individuals will then have exactly the same genotype, except for the fact that the males must have a Y chromosome where the females have a second X chromosome.
Mais ce qui est encore plus extraordinaire, c'est que si vous regardez du côté du chromosome Y, le côté mâle de l'histoire, le chromosome Y, Adam, a seulement vécu il y a 60 000 ans.
But what's even more amazing is that if you look at the Y-chromosome side, the male side of the story, the Y-chromosome Adam only lived around 60,000 years ago.
Les femmes n'ont pas de chromosome Y.
Females don't have a Y chromosome.
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