𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Genetic and environmental influences on the size and number of cells in the blood

✍ Scribed by J. B. Whitfield; N. G. Martin; D. C. Rao

Publisher
John Wiley and Sons
Year
1985
Tongue
English
Weight
689 KB
Volume
2
Category
Article
ISSN
0741-0395

No coin nor oath required. For personal study only.

✦ Synopsis

The heritabilities of human blood cell characteristics were estimated in a study of 206 pairs of young adult twins, male and female. White cell numbers, indices related to circulating red cell mass (haemoglobin, red cell count, and haematocrit), and platelet numbers and size all appeared to be accounted for by genetic and nonshared environmental influences only. Mean cell volume (of the erythrocytes) appeared to be influenced by environmental factors shared by siblings as well as the other two sources of variation.

Correlation between red cell count and haemoglobin is modulated by both genetic and environmental factors, but the negative correlation between red cell numbers and size is due mainly to genetic factors independent of those influencing haemoglobin. A significant negative correlation also exists between platelet numbers and size.

In males, alcohol consumption increased mean cell volume, and genetic factors influencing alcohol consumption are partly responsible for the correlation between them.

πŸ“œ SIMILAR VOLUMES

Genetic and environmental influences on
Genetic and environmental influences on the risk of acute appendicitis in twins
✍ O. Sadr Azodi; Γ…. AndrΓ©n-Sandberg; H. Larsson πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 128 KB πŸ‘ 2 views

## Abstract ## Background Acute appendicitis is common but the aetiology is unclear. This study examined the heritability of acute appendicitis. ## Methods The study included twin pairs with known zygosity born between 1959 and 1985. Individuals with acute appendicitis were found by record linka

Genetic and environmental influence on t
Genetic and environmental influence on the asymmetry of dermatoglyphic traits
✍ Pechenkina, Ekaterina A.; Benfer, Robert A.; Vershoubskaya, Galina G.; Kozlov, A πŸ“‚ Article πŸ“… 2000 πŸ› John Wiley and Sons 🌐 English βš– 133 KB πŸ‘ 2 views

Fluctuating asymmetry (FA) is defined as random deviations from bilateral symmetry of the body. Thus, its magnitude is often used to evaluate developmental homeostasis. In this study we evaluate the following hypotheses: 1) FA of dermatoglyphic traits has a significant genetic component; 2) prenatal

Genetic and environmental influences on
Genetic and environmental influences on infant weight and weight change: The Fels longitudinal study
✍ Ellen W. Demerath; Audrey C. Choh; Stefan A. Czerwinski; Miryoung Lee; Shumei S. πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 145 KB πŸ‘ 2 views

## Abstract Despite significant progress in understanding the mechanisms by which the prenatal/maternal environment can alter development and adult health, genetic influences on normal variation in growth are little understood. This work examines genetic and nongenetic contributions to body weight

Differences in genetic and environmental
Differences in genetic and environmental influences on the human cerebral cortex associated with development during childhood and adolescence
✍ Rhoshel K. Lenroot; James E. Schmitt; Sarah J. Ordaz; Gregory L. Wallace; Michae πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 467 KB πŸ‘ 1 views

## Abstract In this report, we present the first regional quantitative analysis of age‐related differences in the heritability of cortical thickness using anatomic MRI with a large pediatric sample of twins, twin siblings, and singletons (__n__ = 600, mean age 11.1 years, range 5–19). Regions of pr