Prevalence of Phenylthiocarbamide (PTC) Taste Sensitivity and Colour Blindness in Tengger Tribe Population, Ranupani Village, Senduro, Lumajang

The taste of sensitivity of phenylthiocarbamide (PTC), is autosomal dominant trait inherited while the colour blindness is a sex linked genetic trait on the X chromosome. The purpose of this study was to determine the distribution of taster and non taster phenotypes, prevalence of color blindness, frequency of taster and non taster alleles, and frequency of color blind alleles, as well as pedigree analysis in non taster and color blind families. The research was conducted on the Tengger tribe, in Ranupani village, Senduro, Lumajang. Determination of the sample is carryout randomly. Detection of the ability to taste PTC was respondents to taste the PTC solution from the lowest concentration of 0.32mg/L (P13) to the highest concentration of 1300 mg/L (P1). Color blindness detection by the Ishihara method. The results of the study showed that the distribution of the taster was 98.1% while the non-taster was 1.9%. The allele frequency of the dominant taster (T) was 0.86 and the recessive allele non taster (t) is 0.14. The prevalence of color blindness in the population of the Tengger tribe was 0.63% and the allele frequency for color blindness was 0.013. The pedigree analysis of non taster family showed that non taster individuals were born from taster couple (Tt) or from couple of non taster (tt) with tasters (Tt) heterozigot. While the pattern of inheritance of color blindness was criss-cross inheritance pattern, which is passed from mother to son.

Entre universalisme et particularisme: la résistance du code alimentaire dans L’ingratitude de Ying Chen et Mon cœur à l’étroit de Marie NDiaye

Ziel des vorliegenden Beitrags ist, die Funktionalisierung des alimentären Codes in Marie NDiayes Mon cœur à l’étroit und Ying Chens L’ingratitude in ihrer Vielschichtigkeit aufzuzeigen. Einer klassischen Definition des Realismus zufolge galt der alimentäre Code als einer jener Codes, die effektvoll im Sinne eines „effet de réel“ wirken, indem sie Alltagsleben und material culture evozieren (Auerbach 1982: 458). Gerade in transkulturellen Erzählungen der Gegenwart erweisen sich Speisen und Esssitten als effektvolle Identitäts-Marker, die das Partikulare einer spezifischen Kultur – in der Regel einer ‚fremden‘, ‚exotischen‘ Kultur vor dem Hintergrund eines Gastlandes des globalen Westens – zum Ausdruck bringen. Kulturelle Konflikte – zwischen einem ‚westlichen‘ und einem ‚östlichen‘ Lebensstil in L’ingratitude; zwischen weitaus weniger klar definierten, doch auf soziokulturelle und nationale Identitäten verweisenden Lebensstilen in Mon cœur à l’étroit – scheinen sich auch in den beiden vorliegenden Werken in Speisen und Mahlzeiten geradezu zu reifizieren. Bei näherer Betrachtung erweist sich die alimentäre Codierung jedoch als vielschichtig und widersprüchlich, greift sie doch einerseits auf partikulare Identitätsmarker, andererseits auf archetypische Symbolisierungen zurück. Im Fall von Ying Chens Roman scheint hier ein Konflikt zwischen einem Bestreben nach Vermittlung des ‚Anderen‘ und der stereotypisierenden Anpassung an okzidentale Erzählmuster auf. Im Fall Marie NDiayes verhindert die Überdeterminiertheit der Nahrungsmotive eine psychoanalytische oder postkoloniale Lesart nach herkömmlichen Deutungsmustern. Als fruchtbarer erweist sich eine intersektionale Lektüre. Dennoch widerstrebt NDiayes Erzähltechnik der Rückführung auf eine kohärente Lesart. Was von dieser enigmatischen Autorposture zu halten ist, ist in der NDiaye-Forschung höchst umstritten. Von radikalen Vertretern der Critical Race Studies wird der Autorin colour-blindness vorgeworfen. Ich möchte für eine differenzierte Lesart plädieren, die die Problematik des universalistischen Anspruchs anerkennt, zugleich aber auch den Viktimismus der minority studies und das Beharren auf Partikularität problematisiert.

A Hospital-Based Cross-Sectional Study to Estimate the Prevalence and Sex Distribution of Colour Vision Deficiency among School Going Children Attending a Tertiary Eye Care Center in Kolkata City, West Bengal, India

BACKGROUND Colour vision is a function of three types of cone pigments present in the retina. Colour vision deficiency is an important disorder of vision that may pose a handicap to the performance of an affected individual. The prevalence of colour blindness varies in different geographical areas. The identification and estimation of the prevalence of colour vision deficiency in school-going children will help to educate and guide the caregivers to help the children in selecting their profession. This study was done to estimate the prevalence, sex distribution, and types of colour vision deficiency among school-going children of 5 to 15 years. METHODS A cross-sectional observational study was done among 500 students to evaluate the colour vision during the period from 1st January 2018 to 30th June 2019 at the Regional Institute of Ophthalmology, Kolkata. Ishihara’s pseudo isochromatic colour vision chart 38th edition was used to assess the school children for colour vision status. The children who were found to be colour blind were further classified into degree and types of colour vision deficiency. RESULTS A total of 500 students (250 male & 250 female) of surrounding schools, in the age group of 5 years to 15 years, were screened. 480 students (96 %) had normal colour vision while 20 (4 %) students were found to have defective colour vision. Prevalence (4 %) for colour blindness was found to be higher in males (3.6 %) than females (0.4 %). It was observed that out of 20 (4 %) colour-blind subjects 3.6 % were protanopes and 0.4 % were deuteranopes. CONCLUSIONS The present study shows the prevalence of colour blindness found to be quite low (4 %) and more common in males (3.6 %) in comparison to females (0.4 %). Protanomaly (3.6 %) was more common than deuteranomaly (0.4 %). KEYWORDS Colour Blindness, Protanomaly, Deuteranomaly, School Children

Critical race theory will fuel US political divisions

Significance CRT has become a new line of division between Democrats and civil rights reformers, for whom it accurately describes embedded racism, and some Republicans who regard it as an outdated set of beliefs about race that violate a liberal tradition of colour blindness. Impacts Despite the current political salience of CRT, the term is rarely used in elementary and high school classrooms. Critics of CRT see its influence ranging from university tenure battles to professional athletes taking the knee before games. For many companies, a desire to increase diversity and affirm commitments to equality will outweigh calls to criticise CRT.