Which statement best describes why a peanut plant farmer would NOT use selective breeding? A. to produce new peanut plants with bitter peanuts
B. to change his current peanut plants to be resistant to insects
C. to eliminate diseases from his current peanut plants
D. to produce new peanut plants with desirable traits

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

What is the difference between an igneous, sedimentary and metamorphic rock

Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?