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Linkage and Mapping

Lesson 10 of 17 • 47 upvotes • 9:06mins

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Virendra Singh

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 genesare 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..

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1

Course Overview (in Hindi)

3:51mins

2

Introduction to Genetics (in Hindi)

9:40mins

3

Mendel's Law (in Hindi)

9:44mins

4

Allelic Interactions (in Hindi)

8:17mins

5

Gene Interactions (part-1)

9:07mins

6

Gene Interaction (part-2)

9:27mins

7

Gene dissection

9:28mins

8

Gene Complementation

8:47mins

9

Sex determination and Pedigree Analysis

8:29mins

10

Linkage and Mapping

9:06mins

11

Tetrad Analysis

9:09mins

12

Polygenic Inheritance

8:03mins

13

Cytoplasmic Inheritance

9:01mins

14

Population Genetics

8:01mins

15

Microbial Genetics

8:00mins

16

Horizontal Gene transfer

9:10mins

17

Intrupted mating experiment

8:02mins

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