Upload NowIn 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 […]
Sex Linked Inheritance: Meaning and Characteristics | Genetics | Biotechnology
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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 […]
Deviations from Mendelian Ratio (With Diagram) | Genetics | Biotechnology
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A number of deviations were identified in the post-Mendelian era. The normal monohybrid ratio of 3:1 will occur only when the allele have a relationship of dominance and recesiveness between each other. In the absence of such a relationship, the 3:1 becomes modified variously. Let us understand this with the following examples: 1. Incomplete or […]