Coupling and repulsion are the two states of – (1) linkage (2) chiasma (3) mutation (4) crossing over

Coupling and repulsion are the two states of – (1) linkage (2) chiasma (3) mutation (4) crossing over
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(1) linkage Explanation: Genetic linkage is the tendency of genes that are located proximal to each other on a chromosome to be inherited together during meiosis. The figure below depicts the gamete composition for linked genes from coupling and repulsion crosses:
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Coupling and repulsion are the two states of : (1) linkage (2) chiasma (3) mutation (4) crossing over

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