In this article we will discuss about the introduction and significance of chromosome mapping. The diagrammatic representation of the relative distance between the linked genes of a chromosome is called linkage or genetic map. Since a linkage map is the outcome of crossing over studies, it is also called crossover map. The method of constructing […]
Chromosome Mapping and its Significance | Genetics | Biotechnology
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Sex Linked Inheritance: Meaning and Characteristics | Genetics | Biotechnology
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In this article we will discuss about the meaning and characteristics of sex linked inheritance. Meaning of Sex Linked Inheritance: Besides carrying genes for determining sex the sex chromosomes also bear genes for other characters. These genes are carried from generation to generation and are called sex linked genes and the characters controlled by these […]
5 Major Genetic Disorders of Humans | Genetics | Biotechnology
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Humans suffer from several genetic disorders, which arise in the following ways: 1. Genetic Disorders Because of Change in Number of Autosomes: a. Down’s Syndrome: Down syndrome occurs because of trisomy 21. This takes place because of nondisjunction during oogenesis. This abnormality occurs in greater incidence in women above 40 years of age. The individual […]