Cancer, Meiosis, and Gametogenesis
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19 Terms
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cancer
breakdown in control of cell division that results in tumor formation
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one cell
cancer begins as...
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non-cancerous and don't travel
benign
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cells metastasize
malignant
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loss of cell cycle control, heritability, dedifferentiation, loss of contact inhibition, angiogenesis, invasiveness, and metastasis
cancer characteristics
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type of cell division that produces gametes
meiosis
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interkinesis
meiosis is separate by...
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reduces chromosome number from diploid to haploid by separating members of chromosome pairs
meiosis 1
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changes chromosome shape from duplicated to unduplicated
meiosis 2
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crossing over and independent assortment
What are the two meiotic events that ensure each gamete is genetically unique?
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members of chromosome pairs lie side by side and exchange parts of their chromatids during prophase 1
crossing over
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random alignment of chromosome pairs at the metaphase plate during metaphase 1
independent assortment
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spermatogenesis
gametogenesis (male)
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oogenesis
gametogenesis (female)
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spermatogonium, primary spermatocytes, secondary spermatocytes, and spermatids
spermatogenesis cell names in order
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spermiogenesis
Spermatids mature and turn into sperm in what process?
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oogonium, primary oocyte, and secondary oocyte (egg)
oogenesis cell names in order
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polar body
name of the cell that dies in oogenesis
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turns diploid and is a zygote
If fertilized, the egg does what?
Note 
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