Genetics mcq || Linkage || Linkage and Crossing over


This Video contains Multiple choice questions about Theory of Linkage.
Linkage is the close association of genes or other DNA sequences on the same chromosome. The closer two genes are to each other on the chromosome, the greater the probability that they will be inherited together. For example, there are 23 linkage groups in man, 7 in sweet pea and 4 in Drosophila melanogaster.
Genetic linkage analysis is a powerful tool to detect the chromosomal location of disease genes. It is based on the observation that genes that reside physically close on a chromosome remain linked during meiosis.

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