The upcoming discussion will update you about the differences between Polyteny and Polyploidy. Difference # Polyteny: 1. Homologous chromosomes undergo somatic pairing. 2. The products of polyteny remain attached to one another. 3. Polyteny produces hundreds of copies of the same chromosome. 4. Polytene chromosomes are visible in the interphase nucleus. 5. Polytene cells cannot multiply. They are destined to [...]
In this article we will discuss about:- 1. Definition of Chromosomes 2. Types of Chromosomes 3. Functions. Definition of Chromosomes: Chromosomes are rod shaped or threadlike deeply stainable condensed chromatin fibres which are hereditary vehicles as they store and transmit coded hereditary information. Chromosomes appear only during karyokinesis. They are meant for equitable distribution of genetic material. The number is [...]
In this article we will discuss about:- 1. Exception of Linkage of Chromosomes 2. Operation of Linkage from Morgan's Data 3. Characteristics 4. Groups 5. Map. Contents: Exception of Linkage of Chromosomes Operation of Linkage from Morgan's Data Linkage—its Characteristics Linkage Groups Linkage Map 1. Exception of Linkage of Chromosomes: The seven pairs of characters in garden peas with which [...]