Biology, 22.02.2020 02:30 ChessieGiacalone
A randomly mating population of 100 dairy cattle contains a recessive allele that causes dwarfism. If there are 16 dwarf calves in the population, what is the frequency of heterozygous carriers of the allele in the entire herd? (Assume that the population is in HW equilibrium).
Answers: 2
Biology, 22.06.2019 09:30
Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?
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Biology, 22.06.2019 09:30
During binary fission, what events must occur before the cell splits into two new cells?
Answers: 2
Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 3
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
A randomly mating population of 100 dairy cattle contains a recessive allele that causes dwarfism. I...
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