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Rearing and Breeding of Sheep for Wool

Explain the d...

Question

Explain the difference between selective breeding and genetic engineering.

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Solution

Selective Breeding Genetic Engineering
Type of breeding Natural Artificial
Enzymes used No enzymes used. Endonuclease and ligase.
Selection Process Selects the parents considering their traits that allow them to breed on their own. the genes are being transferred.

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Q. Read the following statements:

(1) Genetic variability is the root of all breeding programs.
(2) Induced mutations are useful when desired alleles are absent in germplasm.
(3) Conventional breeding is not constrained by the availability of a limited number of genes.
(4) Other breeding methods that are used are selection amongst somaclonal variants and genetic engineering.

How many of the above statements are correct?

Q. Read the following statements and choose the correct statements.

(i) Gene therapy has been tested on a large number of patients with a wider variety of inherited genetic disorders, and in numerous cases it has produced a complete cure.
(ii) Genetic engineering has been used to produce insulin for curing the diabetes.
(iii) DNA hybridization is the base pairing of DNA from two different sources
(iv) Genetic engineering is a technique of plant breeding.

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Rearing and Breeding of Sheep for Wool

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