Artificial selection has resulted in a wide variety of domesticated dog breeds. Several of these breeds are shown below.Which of the following is true when a new dog breed is being developed? A. Female dogs are allowed to select male dogs with which to produce offspring. B. Humans choose the potential parents for crosses based on desired characteristics. C. Male dogs are allowed to select female dogs with which to produce offspring. D. Many dogs with varied characteristics are allowed to mate randomly.

The great variety of breeds of cats, dogs and other domestic animals have arisen through Blank______.Multiple choice question.artificial selectionnatural selectionrandom genetic changes

selection occurs when humans select for different traits in crosses of dogs, horses, or other animals, whereas selection occurs when environmental factors act on a desirable or undesirable characteristic.

o keep their dog breeds "pure," breeders will keep dogs of different breeds in physicallyseparate areas when the female is in heat. This aspect of artificial selection is most closely analogousto which of the following reproductive isolating mechanisms?A. Mechanical isolationB. Gametic isolationC. Cooperative breedingD. Ecological isolationE. Hybrid breakdown

In selection, breeders select certain varieties of animals and plants to produce new varieties with specific desired characteristics.

Improved varieties of dogs, plants developed by :-Environmental selection    Natural selection     Artificial selection     Protective selection