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Dog breeders choose mates in an effort to produce offspring with desired traits.
How doe...
Biology, 18.03.2021 02:00 tyijiapostell
ASAP
Dog breeders choose mates in an effort to produce offspring with desired traits.
How does this compare with the way that advantageous traits in wolves get passed
on to offspring?
Answers: 1
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Identify the examples in which sam interacts only with natural resources
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Biology, 22.06.2019 13:00
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?
Answers: 1
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