GENETICS HOMEWORK HELP

Genetics is the most important aspect of Biology, It comes under Zoology. Here we will discuss about Genetics and its sub divisions.

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Definition of Genetics

Genetics is the branch of Zoology that deals with the study of heredity and its variations of life. It is derived from Greek word ‘Genesis’ meaning ‘origin’. Genetics is technically defined as a process in which the parent passes set of genes onto their offspring/children.

Subdivisions of Genetics

Research in Genetic Industry

Human and Population Genetics

Molecular and Microbial Genetics

Classical Genetics (Mendelian Genetics)

Classical Genetics

Gregor Johann Mendel, an Australian botanist monk, found genetic science in early 18th century.

This deals with transmission of traits from one generation to another.

. The two important laws of Mendel describe the nature of allele and trait during transmission.

Molecular and Microbial Genetics

This is the study of physical and chemical nature of DNA, RNA and proteins.

Gene is found embedded in DNA of a chromosome that is made up of nucleotides adenine (A), Guanine (G), Thymine (T) and Cytosine (C)

Human and Population Genetics

Sex linked inheritance; Multiple alleles and genetics disorders are analyzed under this subdivision.

Hardy Weinberg equilibrium forms a skeleton for population studies where the allelic and genotypic frequencies remain constant throughout the generation line,

Research in Genetic Industry

Drosophila melanogaster (fruit fly) is a favorite model organism in genetic studies as it is small, can be easily reared and maintained.

Many researches have been and are being carried out to understand the nature of disorders and its cure.

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