Biology, 06.11.2020 02:40 mikequntana512
In one type of animal, the gene for a long tail (T) is dominant over the gene for a short tail (t). Two animals with long tails are crossed, and 25% of their offspring have short tails. Which diagram correctly shows a Punnett square of this cross?
Answers: 2
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
Biology, 22.06.2019 17:30
Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal select the best answer from the choices provided a b c d
Answers: 1
Biology, 22.06.2019 20:30
If there is another new infectious disease somewhere in the world, what do you think canadian officials should do
Answers: 1
Biology, 23.06.2019 05:40
What discovery would weaken the primordial soup hypothesis of the origin of life? question 19 options: lightning was common on early earth. earth’s early atmosphere contained carbon dioxide, water, and trace gases. earth’s early oceans were warm and shallow. asteroid impacts were uncommon when life is presumed to have begun.
Answers: 1
In one type of animal, the gene for a long tail (T) is dominant over the gene for a short tail (t)....
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