In this article we will discuss about the structure of chromosomes with the help of suitable diagram. Chromosome is present as individual bodies in the interphase as well as in the mitosis. The predominant component in the chromosome is DNA molecule. The genes are located in chromosome of the nucleus and can be called as the discrete unit of transmission [...]
In this article we will discuss about:- 1. Meaning of Deficiency in Chromosome 2. Origin of Deficiency in Chromosomes 3. Deletion in Human 4. Chromosome Pairing 5. Uses. Meaning of Deficiency in Chromosome: The term deficiency was coined by Bridges in 1917. It may be defined as a structural change resulting in the loss of a terminal acentric chromosome, chromatid [...]
In this article we will discuss about the translocation in humans. Interchanges are the most common structural chromosome changes reported in human. Partial sterility in interchange heterozygotes is infrequent due to the production of balanced gametes and as a result, interchanges in human are identifiable only through the analysis of karyotype, usually coupled with chromosome banding patterns. Various kinds of [...]