6. Patients with HIV/AIDS develop secondary infections and cancers due to their condition, which type of cells are primarily affected by HIV/AIDS?
A. Muscles
B. immune cells
C. nerve cells
D. bone cells

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Variety of living organisms; includes genetic, species, and ecological types.