Which of the following statements about cross-breeding is not correct?

A.

The cross-bred progenies are heterzygous

B.

Cross-breeding can be used to introduce new genes

C.

Cross-breding is used to create new breeds of livestock

D.

The individuals used in cross-breeding have all characters in common

E.

Cross-breeding is almost a routine practice of improving poultry

Correct answer is D

No explanation has been provided for this answer.