During anaphase I of meiosis 

A. crossing-over occurs.
B. homologous chromosomes pair up.
C. mutations are common.
D. segregation of alleles occurs.


D. segregation of alleles occurs.

Biology & Microbiology

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Which of the following disease states is not among those caused by immune complexes?

A. Systemic lupus erythematosus B. Serum sickness C. Hay fever D. Glomerulonephritis

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There are seven cervical vertebrae located in the neck and during the course of evolution, these vertebrae have become fused.

a. true b. false

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What will be an ideal response?

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