Linkage and Recombination | Morgan's experiment | Principle of inheritance & variation | Class 12 скачать в хорошем качестве

Linkage and Recombination | Morgan's experiment | Principle of inheritance & variation | Class 12

Linkage and recombination Genetic linkage is the tendency of DNA sequences that are close together on a chromosome to be inherited together during the meiosis phase of sexual reproduction. Two genetic markers that are physically near to each other are unlikely to be separated onto different chromatids during chromosomal crossover, and are therefore said to be more linked than markers that are far apart. In other words, the nearer two genes are on a chromosome, the lower the chance of recombination between them, and the more likely they are to be inherited together. Markers on different chromosomes are perfectly unlinked. Genetic recombination (aka genetic reshuffling) is the production of offspring with combinations of traits that differ from those found in either parent. In eukaryotes, genetic recombination during meiosis can lead to a novel set of genetic information that can be passed on from the parents to the offspring. Most recombination is naturally occurring. QUERIES SOLVED What is linkage? What is recombination? Distinguish between linkage and recombination 1. To know about Mendelian genetics, click on the link given below-    • Mendelian genetics | Mendel and his contri...   2. To know about levels of organization, click on the link given below-    • Levels or Grades of organization|Protoplas...   3. To know about DNA replication, click on the ink given below,    • DNA Replication-Part 1 | Substrate | Templ...   4. To know about test cross, click on the link given below,    • Test cross | Principles of inheritance & v...   5. To know about back cross and reciprocal cross, click on the link given below,    • Back cross | Reciprocal cross | Principles...   6. To know about Incomplete dominance, click on the link given below,    • Incomplete dominance | Principles of inher...   7. To know about codominance, click on the link given below,    • Codominance | MN blood groups | Principles...   8. To know about multiple alleles, click on the link given below,    • Multiple alleles | ABO blood groups | Prin...   9. To know about Dihybrid cross, click on the link given below,    • Dihybrid cross | Mendel’s experiment | Pri...   Simple & Easy Zoology is a tutorial with mission to inspire and educate different concepts of Zoology in simple, easy and interesting manner. We are aiming to produce an online library of most of the important and interesting concepts. Vidya Bhat