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meiosis quiz
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richter 2023 vocab quiz
Biology
Cells
9th
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20 Terms
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1
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purpose of mitosis
tissue repair and growth
2
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results of mitosis
two identical diploid (2n) cells
3
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purpose of meiosis
production of haploid cells (gamete)
4
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results of meiosis
gametes
5
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tetrad
pairing of homologous chromosomes
6
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synapsis
alignment of genes in a tetrad
7
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crossing-over
genetic exchange between homologous chromosomes
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independent assortment of chromosomes
random way in which homologous chromosomes (tetrads) line up on the metaphase plate (INCREASES VARIATION)
9
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importance of crossing-over to sexual reproduction
increases variation
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gametogenesis
creation of gametes
11
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results of spermatogenesis
creation of sperm
12
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results of oogenesis
an egg
13
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cleavage furrow
structure that forms in animal cells during cytokinesis (how animal cells divide)
14
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cell plate
new cell wall that forms between new nuclei in plant cells (how plant cells divide)
15
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differences between plant and animal mitosis
1. Animals
1. Cleavage furrow
2. Centrioles
3. Aster - microtubules extend towards the cell periphery
2. Plants
1. Cell plate
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somatic cell
body cell
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germline cell
produce gametes
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karyotype
picture of an individual chromosome
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nondisjunction
chromosomes fail to separate
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cause of Down Syndrome
trisomy
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