The ABO blood groups in humans are determined by a multiple-allele system in which IA and IB are codominant and are both dominant to IO. A newborn infant is type A. The mother is type O. Possible phenotypes of the father are:.
A. A, B, or AB.
B. A, B, or O.
C. O only.
D. A or AB.
E. A or O.

Apart of an ecosystem that can restrict the growth of a population is referred to as

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

What type of plant is good for a bioassay and where can i buy it? i only have a month.