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 [...]
In this article we will discuss about:- 1. Classification of Haploids 2. Origin of Haploids 3. Meiosis. Classification of Haploids: According to their cytological features, haploids have been classified into different types (Fig. 17.1), a brief description of which is given below. I. Euhaploid: The chromosome number of such a haploid is an exact multiple of one of the basic [...]
The following points highlight the top eight aspects of reciprocal translocation in genetics. The aspects are: 1. Chromosome Pairing 2. Orientation of the Quadruple at Ml 3. Sterility in Interchange Heterozygotes 4. Crossing Over in the Interchange Heterozygotes 5. Detection of Interchanges 6. Isolation of Homozygous Interchange Lines and a few others. Aspects of Reciprocal Translocations Chromosome Pairing Orientation of [...]