Chromosome in Livestock and Poultry.

(Part 3, Principles of Animal and Population Genetics, AGB)

Chromosome numbers and types in Livestock and Poultry

by Dr. Manoranjan Roy, Department of Animal Genetics and Breeding, F/O-VAS, of WBUAFS

Chromosome in Livestock and Poultry


The chromosomes have been considered as the physical bases of heredity. A chromosome is a thread-like self-replicating genetic structure containing organized DNA molecule package found in the nucleus of the cell.

Different organisms have different numbers of chromosomes. But Normally all individual of a species have the same chromosome number.

Note: The following pdf is the AGB note of (Unit 2) Principles of Animal and Population GeneticsPart 3 of BVSc & AH. *AGB - Animal Genetics and Breeding.

Topics of the PDF file of 'Chromosome in Livestock and Poultry' :

Introduction / Types of Cell / Cell Structure / Chromosome / Types of Chromosome / Diploid Chromosome Number in Livestock / Diploid Chromosome Number in Wild and Laboratory Animals / Diploid Chromosome Number in Different Species of Birds / Structure of Eukaryotic Chromosome / Chemical Structure of Eukaryotic Chromosome / Molecular Structure of Eukaryotic Chromosome / Size of the chromosome / Centromere position of Chromosome / Karyotype / Karyotype of human / Ideogram or Ideotype / Special Types of Chromosomes - Polytene Chromosome, Lampbrush Chromosome / B-Chromosome and Holokinetic Chromosome / Genetic significance of Chromosomes.

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Principles of Animal Genetics