4566481003

•c' -i Hall of India Pvt. I^d, New Delhi

E.P. 1996:Fundamental of ecology, Nataraj Publishers. Dehradun '^,9ha~ ng. K.T. & Owen, L.A. 1997 : An introduction toglobal cnvironmcnt issucs(llnd ed). | *— cc Hall of India Pvt. Ud. New Delhi

fc.I..R. 19%: Ecology and field biology (5¹*¹ cd), Harpcr Collins College Publishers, USA t, L.R. & Smith. T.M. 1998 : F.lements of ecology (4^{ł 1} cd), An Imprint of Addison Wcslcy, _ - —an Ink., Califomia

I etM.GJr. 1997:Environmenlalscience,Workingw’ithEarth(6^tłled).WadsworthPublishing

Cm

.er. J.E & Clcmcnts, S.F.. 1966: Plant ecology. Tata McGraw Publishing co. Ltd. Bombay.

5™ SEMESTER PAPER - BOTH - 503 GENETICS

Fuli Marks - 35 Pass Marks - 12

Tfeśt - I / Marks - 7

:aetics: MendePs cxperiments and principles of inheritance, Backcross and Test cross, . a intcractions and modified Dihybrid ratios - complcmcntary, supplementary. duplicate x-; epistatic factors, lethal gene.

¹ I ait - D / Marks - 7

: -Itiple alleles: Multiplc allclcs in Drosophila (eye colour). man (blood groups) and plants cTincompatibility)

*antitative genetics: Quantitativc traits and qualitative genetics, the multiple factor - octhesis, descriptive siatistics.

' ait - III / Marks - 7

L;skage and recombination: Coupling and repulsion phases, point test crosses with their gnificance in chromosome mapping. interferencc and co-efficicnt of coincidcncc. f :\chromosomcs mcchanisms of scx determination, scx linked inheritance in Drosophila and san, scx limited characters.

Unit - IV / Marks - 7

Matcmal influence on inheritance: Shell coiling in snails and kappa particles in Paramccium, :>toplasm inheritance in ycast (mitochondria) and Mirabilis jalapa (plastids). Changes in :-.romosome structure. origin. typcs and effeets of duplications, deletions. inversions and rranslocations

Unit - V / Marks - 7

Altcrations in gcnctic make up: Changes in chromosome number, origin, typcs and effeets cf auto and allopolyploid. origin and mciosis in nullisomics, monosomics and trisomics. gene

121

7DC Syllobus (Science) II Assam University