Imagine you do DNA fingerprinting in a forensics lab. You obtain nine samples from a crime scene and use them to make the DNA fingerprints
shown below. Which two samples are most likely to have come from the
same person?

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

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?

How and why organisms are hierarchically classifies