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Question

Mark the incorrect statement for inbreeding


Correct Answer
A
Inbreeding depression increases productivity
Your Answer
B
Inbreeding depression can be overcome by outcrossing
Your Answer
C
Produces purelines
Your Answer
D
Increases homozygosity

Solution

The correct option is A Inbreeding depression increases productivity
Inbreeding is the process of mating closely related animals within the same breed for 4- 6 generations. This leads to increased homozygosity and purelines of breeds are created this way.
When inbreeding occurs excessively, the progeny suffer from reduced fertility, reduced resistance to disease and eventual reduction in productivity. This is called inbredding depression. To overcome this, these animals are mated with random superior animals of the same breed (outcrossing), restoring fertility and yield in the offsprings produced.
 

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