PATHOLOGY

PATHOLOGY MCQ

GENETICS AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Breeders use the technique called ____ to cross genetically different individuals.
A
selective breeding
B
hybridization
C
cloning
D
None of the above
Explanation: 

Detailed explanation-1: -Hybridization is the mating of genetically differentiated individuals or groups and may involve crossing individuals within a species (also known as line crossing or strain crossing) or crossing individuals between separate species.

Detailed explanation-2: -Hybridization is the technique of breeding two different individuals of the same or other species in order to achieve the desired changes in the organisms. This technique can be used for both plants and animals. Interspecific and intraspecific are the two types of sexual hybridization techniques.

Detailed explanation-3: -Crossbreeding involves breeding two unrelated individuals. This is often used to produce offspring with desirable characteristics from two different individuals.

Detailed explanation-4: -Hybridization, as related to genomics, is the process in which two complementary single-stranded DNA and/or RNA molecules bond together to form a double-stranded molecule. The bonding is dependent on the appropriate base-pairing across the two single-stranded molecules.

Detailed explanation-5: -Transmission Genetics Mendel’s cross-hybridization studies involved purebred plants that differed with regard to a single contrasting trait. Purebred, homozygous, parental stocks were crossed and the offspring of this cross are called F1 hybrids, or monohybrids.

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