GENETICS - Complete - Basic + Advanced - MCQ Practice Exams

Genetics

The science of heredity or genetics is the study of two inconsistent elements of nature: heredity and variation. The process of transmission of characters from one generation to the next, either by gametes– sperms and ova– in sexual reproduction or by the asexual reproductive bodies in asexual recreation, is called inheritance or heredity.

Heredity is the reason for resemblances between individuals. This is the factor that siblings with the very same parents resemble each other and with their moms and dads. Variation is the reason for distinctions between individuals. This is the reason that brothers and sisters who do resemble each other are still unique people.

Hence, we have no trouble in acknowledging the distinctions between sisters, for example, and even identical twins are recognized as distinct individuals by their parents and friends. The science of genes tries to describe the system and the basis for both resemblances and differences between associated people. It also tries to discuss the phenomenon of evolution and cytodifferentiation.

What is Genetics?

The life science which handles the mechanism of heredity and reasons for variations in living beings (viruses, bacteria, plants, and animals) is referred to as genetics. The word genetic was derived from the Greek root gen which means to become or to grow into and it was coined by Bateson in 1906 for the research study of the physiology of heredity and variations.

Genetics is a branch of biology concerned with the study of genes, genetic variation, and heredity in organisms.[

Genetics is the study of DNA, genes and heredity. It includes the study of gene development, structure and function in plants, animals and humans as well as in bacteria with a focus on how the characteristics of a species are passed from one generation to the next. Genetic processes work in combination with an organism's environment and experiences to influence development and behavior, often referred to as nature versus nurture.

Geneticists study all aspects of genes. An understanding of how genes act is now an essential requirement for such biological fields of study as development, cytology, physiology, and morphology. An understanding of gene transmission is a basic aspect of areas such as ecology, evolution, and taxonomy.

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