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How is pure line in an animal raised ?explain

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Please refer the solution below for the said query
 

Pureline is the breed of animals which produce similar characters in successive generations. They are produced by inbreeding or self fertilisation of more closely related individuals of same breed for four or more generations. It increases homozygosity and thus evolves a pure line.




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Dear student,

Pls find the answer below for the asked query:

Pure line :
(a) It is a progeny of single, self-fertilized homozygous individuals.
(b)A similar strategy is used for developing pure lines in cattle as was used in case of peas.Inbreeding increases homozygosity. Thus, inbreeding exposes harmful resessive genes that are eliminated by selection.
(C) It also helps in accumulation of superior genes and elimination of less desirable genes.The selection at step increases the productivity of inbred population.

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