Fundamentals of Genetics (Paper Code: 17010204)

Definition and terminology used in genetics; ultra structure of cells, Mendelian inheritance, exceptions to the Mendel’s laws; gene interaction; multiple alleles pleiotropism, penetrance and expressivity

Multiple factor Inheritance & Multiple alleles, cytoplasmic inheritance and its differences from chromosomal inheritance.

Mutation: Types and methods to induce them, Linkage and its types, Crossing over- type, mechanism and significance cytological proof, Nucleus acids- structure functions type of DNA and RNA.

Mutation and its characteristic features; methods of inducing mutations and C l B technique; linkage, types of linkage and estimation of linkage; crossing over and factors affecting it; mechanism of crossing over and cytological proof of crossing over; DNA and it’s structure, function, types, modes of replication and repair; RNA and its structure, function and types.

Transcription, Translation, Genetic code, Chromosomal aberration- structural and numerical; gene expression and differential gene activation; lac operon and fine structure of gene

Numerical chromosomal aberrations (polyploidy) and evolution of different crop species like cotton, wheat, tobacco, triticale and brassica; structural chromosomal aberrations.

7

7

10

3

4

Must know

Preparation of micro slides and identification of various stages of mitosis;

preparation of micro slides and identification of various stages of meiosis;

monohybrid ratio and its modifications; dihybrid ratio and its modifications; trihybrid ratio;

chi-square analysis and interaction of factors; epistatic factors, supplementary factors and duplicate factors; complementary factors, additive factors and inhibitory factors; linkage – two point test cross; linkage – three point test cross; Hardy Wein Berg law of population equilibrium

3

10

25