Which new breed of cattle was developed through cross-breeding?

Which of the following brings harmful recessive genes to the surface?

$A$ superior female,in the case of cattle,is the $A$ that produces more milk per lactation. On the other hand,a superior $B$ is that $C$ which gives rise to $D$ as compared to those of other males. Here $A$ and $D$ refer to:

Which of the following best represents cross-breeding?

In $MOET$,a cow is administered with ......... to induce follicular maturation.

Interspecific hybridisation is the mating of