Q= Explain the meaning of heterosis and inbreeding depresion??

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Please find below the solution to the asked query
 
Heterosis also known hybrid vigour or outbreeding enhancement is the improvement shown by progeny produced by cross between inbred lines due to increase in heterozygosity. It occurs when two homozygous individuals are cross pollinated.

Inbreeding depression is the reduction in the fertility and productivity of an organism due to continuous inbreeding. Inbreeding refers to the mating of closely- related individuals within the same breed. Continued inbreeding especially close inbreeding usually reduces the fertility and even productivity of an organism.
 
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