That question got me thrown off

Dominant

Explanation:

If both of the parents don't express the trait and the child does, then the pedigree is recessive.  According to Mendel's law, the recessive trait will only show if there are two recessive alleles.  If both of the parents of have the trait and their child does, that means that the parents are heterozygous.

If one of the parents have the trait and the child does or doesn't, then the pedigree is dominant.

it would be f

explanation:

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.