21. Crossing-over most commonly results in
A. new species
B. new populations
C. new comb...
Biology, 16.02.2021 20:40 dsperez201938
21. Crossing-over most commonly results in
A. new species
B. new populations
C. new combinations of genes
D. new numbers of chromosomes
Answers: 2
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Which of the following is something every person can do plz asap apex
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Which direction does the energy flow in this energy pyramid ?
Answers: 1
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The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen
Answers: 2
Biology, 22.06.2019 13:20, abolton04
Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.
Answers: 1
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