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
Biology & Microbiology
There are seven cervical vertebrae located in the neck and during the course of evolution, these vertebrae have become fused.
a. true b. false
Biology & Microbiology
Filtration
What will be an ideal response?
Biology & Microbiology
Pollination begins when pollen is transferred from the ________ to the ________ of a flower.
A. anther, ovary B. anther, stigma C. anther, receptacle D. synergid, egg E. stigma, embryo sac
Biology & Microbiology