Y chromosome

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Y chromosome

[′wī ′krō·mə‚sōm]

(genetics)

The sex chromosome found only in the heterogametic male sex, as in mammals and Drosophila.

References in periodicals archive ?

Mitochondrial Eve, Y-Chromosome Adam, and Population Size

Geneticists point out that mitochondrial Eve and Y-chromosome Adam are not synonyms for the biblical Adam and Eve for at least three reasons.

Genetics, the Nephilim, and the historicity of Adam

Complexity in paternal heritage exists in most populations beyond just one haplogroup variety of Y-chromosomes participating in a range expansion by agro-pastoralists.

Y-chromosome phylogeography most likely reflects the effects of drift.

Correlation of annual precipitation with human Y-chromosome diversity and the emergence of Neolithic agricultural and pastoral economies in the Fertile Crescent

Several protocols made use of bovine Y-chromosome sequence derived primers on sheep blood cell DNA, trophoblastic cells to detect the sex of sheep embryos (Rao et al., 1992; Mara et al., 2004).

X- and Y-chromosome specific variants of the amelogenin gene allow sex determination in sheep (Ovis aries) and European rea deer (Cervus elaphus).

Sexing goat embryos by PCR amplification of X- and Y- chromosome specific sequence of the amelogenin gene *

The new research focused on the Y-chromosomes of 1,437 men, representatives of 18 ethnic groups in the Mongolian territory.

Genghis Khan has 16 million offspring

'On the Y-chromosome the Celtic populations turn out to be statistically indistinguishable from the Basques,' Professor Goldstein said.

'Most of the gene pool of the British Isles is very ancient. It has nothing to do with Celts or Anglo-Saxons . . .'

A description of the events that led to the initial discovery of the gene responsible for maleness on the Y-chromosome is an important lesson for all scientists.

Biology of Sex

To obtain more precise information about the origin of the Y-chromosomes in the three above-indicated Canarian-derived populations, four biallelic and three microsatellite loci located in that region were investigated.

Transplanted male genomes in three Venezuelan populations

A new book called Adam's Curse suggests that men are doomed thanks to the decaying human Y-chromosome, the only piece of DNA that men possess and women do not.

Men are doomed to die like the dodo, claims Oxford genetics expert; Women will have the world to themselves

Reporter Tracy Harrison said a father gave his daughter a Y-chromosome - when even me, a 13-year-old, knows that girls don't have Y-chromosomes but have two X- chromosomes.