Genetics One Liner For Competitive exam-2

Genetics One Liner

Genetics One Liner

● ‘World Food Prize’ (Nobel Prize for Food) has been awarded earlier to several Indian Scientists, namely; In 1987, for the first time to Indian Scientist Dr. M.S. Swaminathan, this Nobel Prize was awarded for his contribution to bring ‘Green Revolution’ in India. He developed high yield varieties (HYV’s) of wheat and rice. This ‘Nobel Prize’ was given to Dr. V.G. Kurien, Ex-Director, NDDB, Anand (Gujarat) in the year 1989 for achieving ‘White Revolution’ in the country i.e., in milk production and/ or ‘Operation Flood’.

The ‘Nobel Prize’ was credited to Dr. Gurdev Khush and Dr. Hennary Vichail in the year 1996 for developing such varieties and genetic lines, those have doubled the rice production in last 30 years, in the world. It was awarded to B.R. Barwale, Mahyco Company, in the year 1998, for making private seed industry sector and this company is producing today the good varieties/ seeds (vegetables/ cereals/ oilseeds etc.)(Genetics One Liner)

● The word ‘Genetics’ was given by Bateson in the year 1905.

● Dr. M.S. Swaminathan was honoured as a ‘Millennium Prize’ by Prime Minister Atal Bihari Vajpayee in 88th National Science Congress on 3-7 January, 2001 held at IARI, New Delhi.

● In Rapeseed-Mustard group, three hybrids of Indian mustard (B. juncea) appeared higher yielders, namely; HB-501, HB-502 and HB506. And ‘YRN-6’ mustard was identified in NRC-M(ICAR) 12th workshop (11-13 Aug. 2005).

● TERI-Unnat, TERI-Uttam (Br. juncea), Hyola-402 (Br. napus) varieties of rapeseed mustard showed low glucosinolate (> 30 μ mole/g free fat meal/cake) and Erucic acid (< 2%), say. Double Zero (0-0) quality, oil not harmful to human health and cake to animals also.(Genetics One Liner)

● Wheat Genotypes rich in nutritional quality—

(A) Triticum aestivum—

(i) Protein (≥ 13·5%)—PBW-373, HD2833, UP-2425.

(ii) β-Carotene (≥ 4·5 ppm)—HS-469, VL878, MACS-6151.

(iii) Iron (≥ 75 ppm)—HUW-533, WH-781, HD-2871.

(iv) Zinc (≥ 50 ppm)—HI-1531, HW-4022.

(B) Triticum durum—

(i) Protein (≥ 13·0%)—PBW-295, MACS1967.

(ii) β-carotene (≥ 6·0 ppm)—PDW-233, WH-896.

(iii) Iron (≥ 40 ppm)—HD-4672, HI-8627.

(iv) Zinc (≥ 40 ppm)—PDW-291, HI-8627.(Genetics One Liner)

Meaning in One Sentence

● Auxotroph—A mutant found in bacteria and fungi, that does not grow only in minimal medium but also grow very-well if any specific growth regulator is added.

● Autosome—The chromosomes, other than sex chromosomes are found in unisexual organisms both in male and female.

● Clone—A sexual progency of a single plant, produced only from mitotic division.

● Dicentric Chromosome—That chromosome, wherein two chromosomes points are present.

● Epistasis—Affecting the expression of any other gene by a gene. (Genetics One Liner)

● Genetic Erosion—Corresponding retardation in present genetic variability in any crop/ wild species.

● Homoeologous Chromosome—Similarty to some extent in gene constituent of a specific chromosome, and also pairing to some extent.

● Heterochromatin—A chromatin, haring less sustaining and of various genetic activities.

● Meiosis—A special type of cell division, wherein the reduced number of chromosomes become half.

● Monoploid—Such organism, wherein only one genome or chromosome-pair is found.

● Operon—That part of chromosome, which is formed due to mating of structural gene and controlling driving gene.

(Genetics One Liner)

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