HOMOZYGOUS AND HETEROZYGOUS

HOMOZYGOUS AND HETEROZYGOUS Introduction In Biology and Genetics, Homozygous and heterozygous are used to indicate whether…

Cytoplasmic Male Sterility

Cytoplasmic Male Sterility What is male sterility? Male sterility is the failure of plants to produce…

CYTOPLASMIC INHERITANCE

CYTOPLASMIC INHERITANCE  Introduction Most of the traits of an individual are governed by nuclear genes; however,…

HYBRID- AN OVERVIEW

HYBRID- AN OVERVIEW A hybrid is the offspring resulting from cross-breeding of two organisms of different breeds,…

HETEROSIS AND INBREEDING DEPRESSION

HETEROSIS AND INBREEDING DEPRESSION Heterosis or hybrid vigor is the increased function (productivity or superiority) such as…

EPISTASIS- DEFINITION & GENE INTERACTION

EPISTASIS- DEFINITION & GENE INTERACTION Definition & Meaning Epistasis refers to the effect of a gene…

MULTIPLE ALLELES- FEATURES & EXAMPLE

MULTIPLE ALLELES- FEATURES & EXAMPLE Introduction Alleles are the variants of a gene that exists in…

PLEIOTROPY- MEANING, CLASSES & EVOLUTION

PLEIOTROPY- MEANING, CLASSES & EVOLUTION Introduction Pleiotropy refers to the phenomenon of a single gene affecting…

CHROMOSOMAL THEORY OF INHERITANCE

CHROMOSOMAL THEORY OF INHERITANCE INTRODUCTION Gene is the functional unit of hereditary material which is linearly…

DIFFERENCE BETWEEN PHENOTYPE AND GENOTYPE

DIFFERENCE BETWEEN PHENOTYPE AND GENOTYPE PHENOTYPE The phenotype refers to physical appearance or characteristics of an…