On May 14, 1796, Jenner<span> took fluid from a cowpox blister and scratched it into the skin of James Phipps, an eight-year-old boy. A single blister rose up on the spot, but James soon recovered. On July 1, </span>Jenner<span> inoculated the boy again, this time with smallpox matter, and no disease developed. The </span>vaccine<span> was a success.</span>
Answer:
The probability is 1/2
Explanation:
Heterozygous for sickle cell allele is AS
Homozygous allele is SS
AS SS
The offspring formed include
AS, AS, SS, SS
The probability of their children being carriers include
Number of AS/ Total number of offspring
= 2/4 =1/2 or 0.5
The advantage of small and large reserves is that it only
requires small labor and it can also serve a city and a town. The only disadvantage
of the small and large reserves is that it is quite expensive despite of its
usefulness.
Answer: Most rocks contain SiO2 (silica), which is a compound of silicon and oxygen that forms 74%
Pregnancy. the body needs to gather nd make a new set of cells to build the baby