Home
Class 12
BIOLOGY
Assertion :- Inbreeding depression can b...

Assertion :- Inbreeding depression can be over come by mating of selected animals of the breed with unrelated animals of the same breed.
Reason :- This helps to restore fertility & yield by increase in heterozygosity.

A

Both A and R are correct and R is the correct explanation of A

B

Both A and R are correct but R is not the correct explanation of A

C

A is true but R is false

D

A is false and R is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Breeding between unrelated animals of same breed but from different ancestories is called:

How can we restore fertility and yield in case of inbreeding depression ?

Assertion (A) : Continued inbreeding , especially close inbreeding , usually reduces fertility and even productivity . Reason (R) : Selected animals of the inbreeding population should be mated with unrelated superior animals of the same breed usually not helps in restoring of fertility and yield.

Crossing of unrelated pure breeding animals of different traits within the same breed is called:

The breeding of the unrelated animals, which may be between individuals of the same breed but having no common ancestors for 4-6 generations is called

Assertion : Mating of more closely related individuals within the same breed for 4-6 generation is called in breeding. Reason : When inbreeding depression becomes a problem, selected animals of the breeding population should be mated with unrelated superior animals of the another breed.

Assertion :- During selection of good breeds beside high yielding potential, disease resistance is also consider. Reason : - Diseases of live stock leads to under yield.

Assertion : In breeding increases homozygosity exposing harmful recessive genes, some of which are eliminated by selection. Reason : Continued inbreeding reduces fertility and productivity.