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Which of the following occurs before mitosis and meiosis?* a. homologous chromosomes pair up b. sister chromatids cross over c. DNA is copied once d. synapsis occurs
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Which of the following occurs before mitosis and meiosis?*

a. homologous chromosomes pair up

b. sister chromatids cross over

c. DNA is copied once

d. synapsis occurs

User Kalisjoshua
by
5.3k points

1 Answer

6 votes

Answer:

c.dna copied once before mitosis and meiosis occur.

User Timothy Zorn
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