A round seed pea plant (Rr) is crossed with a wrinkled pea plant (rr). Solve the cross using a Punnett Square. Then select the correct answer below for genotypes. A .4RR, 0 rr
B. 3 Rr, 1 rr
C. 2 Rr, 2 rr
D. 1 RR, 3 rr​

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 three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.