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At least 757 records · Page 42Linked to original sources
PubMed1979

Colour vision deficiency among two populations of Chamars, a scheduled caste population of Uttar Pradesh (India).

On n = 320 nonrelated Kureel Chamars (160 males, 160 females) from Lucknow and neighbouring villages and n = 314 nonrelated Jaiswar Chamars (160 males, 154 females) from Jaunpur the frequency of colourvision deficiency was examined. In the Kureel Chamars the frequency of deuteranopia comes to a total of 1.25% (males: 25%, females: 0.0%), in the Jaiswar Chamars to a total of 1.91% (males: 3.13%, females: 0.65%). Protanopes were only found in the Kureel Chamars (0.63%; males: 1.25%, females: 0.0%). These observations are discussed and compared with those obtained on other Indian populations.

Color Vision Defects↗
PubMed1984

[Medico-genetic study of the population of Turkmenia. V. A population and demographic description of the Nokhur isolate].

The paper deals with demographic, genealogical and genetic characterization of one Turkmenian isolate--"Nochur". The data on its load of hereditary diseases were published previously. The Turkmenian "Nochurly" tribe consists of 19 large and small clanes. 600 nuclear families live in a small mountain valley of the same name. The share of prereproductive age class is 60%, of reproductive class--29%, this value for postreproductive class being 11%. The average number of children per family, when the families have completed their reproductive period, is 6.84. The average duration of generation (the mean parental age to the birth time of a mean newborn) is 37.7 and 31 years for a man and woman, respectively. Immigration into Nochur is practically absent, there is a flow of emigrants to the capital of the Republic, Ashkhabad. A very high level of assortative mating has been noted, the minimal estimation of inbreeding coefficient being 0.033 (the pedigree) and the maximal--0.0529 (isonimy). Diminishing of the number of lethal equivalents between 1940-1965 and 1966-1980 was discovered. This can be explained by a decrease in natural selection pressure. The data on distribution of genetic markers of the ABO, MN, Rh, Hp and Pp systems within this isolated population are presented.

Adolescent↗