Which example of artificial selection is caused indirectly by human activity? a.)choosing sheep that enable offspring to give a large amount of wool b.)mating goats that produce more milk c.)selective mating among ducks to produce larger eggs d.)increased number of small crabs because fishing nets catch mostly large crabs

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

the correct answer is b