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Tooth sizes in two males with deletions of the long arm of the Y-chromosome. 1981

L Alvesalo, and A de la Chapelle

Permanent and deciduous tooth crown sizes in two males with deletions of the long arm of the Y chromosome and their first-degree relatives were examined. The first proband with a deletion in the proximal part of Yq11 showed definitely smaller teeth than his father or population control males. The second proband with a deletion in the distal part of Yq11 showed large or normal sized teeth compared to his brother or population control males. These data support the results of earlier studies indicating a promoting effect of the Y chromosome on tooth growth, and suggest that the location of the growth-promoting gene(s) is in Yq11. It is postulated that statural growth is affected by the same gene(s).

UI MeSH Term Description Entries
D008297 Male Males
D009811 Odontometry Measurement of tooth characteristics.
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002872 Chromosome Deletion Actual loss of portion of a chromosome. Monosomy, Partial,Partial Monosomy,Deletion, Chromosome,Deletions, Chromosome,Monosomies, Partial,Partial Monosomies
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012730 Sex Chromosomes The homologous chromosomes that are dissimilar in the heterogametic sex. There are the X CHROMOSOME, the Y CHROMOSOME, and the W, Z chromosomes (in animals in which the female is the heterogametic sex (the silkworm moth Bombyx mori, for example)). In such cases the W chromosome is the female-determining and the male is ZZ. (From King & Stansfield, A Dictionary of Genetics, 4th ed) Gonosomes,Chromosome, Sex,Chromosomes, Sex,Gonosome,Sex Chromosome
D014070 Tooth One of a set of bone-like structures in the mouth used for biting and chewing. Teeth
D014998 Y Chromosome The male sex chromosome, being the differential sex chromosome carried by half the male gametes and none of the female gametes in humans and in some other male-heterogametic species in which the homologue of the X chromosome has been retained. Chromosome, Y,Chromosomes, Y,Y Chromosomes

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