AGB-0072
QUESTION
The mating system which increases heterozygosity is called?
OPTIONS
(A) Out breeding
(B) Inbreeding
(C) Line breeding
(D) None of these
ANSWER
(A) Out breeding
EXPLANATION
Outbreeding is a mating system involving genetically less-related individuals and generally increases heterozygosity relative to mating among close relatives. Inbreeding and line breeding increase homozygosity, while 'none' is incorrect because outbreeding directly describes the stated effect.
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