Please help !!!
Will give you the brainliest !!

1. Generally, production traits such as milk, fat, and protein yield are moderately heritable. While milk production traits are important, many other traits are of economic importance in dairy cattle breeding, including conformation, longevity, reproduction, health, and workability traits.

2. Would've surely practiced selective breeding via controlled mating... the three ways : Outcrossing , Line Breeding and Inbreeding can help in producing a herd of high yielding beef capital.

hope helpful~

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.