Linkage
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Justify the statement, “Linkage and recombination play significant role in the process of inheritance". (UPSC 2019, 20 Marks, )
कथन को उचित ठहराएं, "लिंकज और पुनर्संयोजन विरासत की प्रक्रिया में महत्वपूर्ण भूमिका निभाते हैं"। (Justify the statement, "Linkage and recombination play significant role in the process of inheritance.")Answer
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The Genotype of the parent is as under: 2n + XhY x 2n + X0xh. Indicate the type of Gametes that will be formed, and character represented by their Off springs. Also indicate whether the parents are carriers or free from disorder. Find out: (i) Percentage of carriers. (ii) Percentage of Haemophilic sons and daughters. (iii) Percentage of normal off springs. (UPSC 2015, 15 Marks, )
माता-पिता का जीनोटाइप इस प्रकार है: 2n + XhY x 2n + X0xh. बनने वाले गैमीट्स के प्रकार और उनके संतानों द्वारा प्रदर्शित लक्षणों को दर्शाएं। यह भी बताएं कि माता-पिता वाहक हैं या विकार से मुक्त हैं। पता लगाएं: (i) वाहकों का प्रतिशत। (ii) हीमोफिलिक पुत्रों और पुत्रियों का प्रतिशत। (iii) सामान्य संतानों का प्रतिशत। (The Genotype of the parent is as under: 2n + XhY x 2n + X0xh. Indicate the type of Gametes that will be formed, and character represented by their Off springs. Also indicate whether the parents are carriers or free from disorder. Find out: (i) Percentage of carriers. (ii) Percentage of Haemophilic sons and daughters. (iii) Percentage of normal off springs.)Answer
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Using skin colour as an example of polygenic inheritance, work out the results of Fl and F2 from a mating between pure black Negro man and white woman in qualitative and quantitative terms. (UPSC 2011, 15 Marks, )
त्वचा के रंग को बहुजीनिक वंशानुक्रम के उदाहरण के रूप में उपयोग करते हुए, एक शुद्ध काले नीग्रो पुरुष और एक श्वेत महिला के बीच संकरण से F1 और F2 के परिणामों को गुणात्मक और मात्रात्मक रूप से निकालें। (Using skin colour as an example of polygenic inheritance, work out the results of F1 and F2 from a mating between pure black Negro man and white woman in qualitative and quantitative terms.)Enroll Now