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Home Q & A Board Biology-Related Homework Help General Biology
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bedasaha bedasaha
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10 years ago
A. formation of synoptenemal complex
B. crossing over
C. Arrangements of chromosomes at the equatorial plate at Metaphase I
D. seperation of chromatids at Anaphase II

1. (B) only
2. (B) and (C)
3. (A) and (D)
4. (B) and (D)
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#1
Staff Member
Educator
10 years ago
I think it's B only, but could include D too!

Crossing over further increases genetic variability
• crossing over - The exchange of segments between chromatids of homologous chromosomes during synapsis in prophase I of meiosis; also, the exchange of segments between DNA molecules in prokaryotes.
o Breakage of homologous chromatids
o Joining of homologous chromatids
o Separation of homologous chromosomes at anaphase I
o seperation of chromatids at Anaphase II and completion of meiosis
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