Genetic polymorphisms and intrauterine development. Evidence of decreased heterozygosity in light-for-dates human newborn babies.
Experientia, 1979/12/15;35(12):1565-7.
Bottini E, Gloria-Bottini F, Lucarelli P, Polzonetti A, Santoro F, Varveri A
PMID: 118051
Abstract
In 2 independent samples of low-birth-weight infants the proportion of females and homozygotes for a series of polymorphic systems was higher in light-for-dates than in preterm babies. The observation seems to give support to the hypothesis that homozygosity for 'normal' polymorphisms may decrease in general intrauterine growth rate. Since it is known that survival rate is strongly related to birth weight, a correlation between growth retardation and homozygosity may have a major role in the maintenance of such polimorphisms.
MeSH terms
ABO Blood-Group System; Acid Phosphatase; Adenosine Deaminase; Erythrocytes; Female; Heterozygote; Humans; Infant, Low Birth Weight; Infant, Newborn; Male; Phenotype; Phosphoglucomutase; Polymorphism, Genetic; Rh-Hr Blood-Group System; Sex Factors
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