How many galaxies are estimated to be in the universe?
A. 10,000
B. 100 bill...
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Biology, 05.05.2020 02:03 ColungaRosemary
How many galaxies are estimated to be in the universe?
A. 10,000
B. 100 billion
C. 1
D. 100
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Answers: 2
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During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.
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