meiosis quiz

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purpose of mitosis

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richter 2023 vocab quiz

20 Terms

1

purpose of mitosis

tissue repair and growth

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2

results of mitosis

two identical diploid (2n) cells

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3

purpose of meiosis

production of haploid cells (gamete)

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4

results of meiosis

gametes

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5

tetrad

pairing of homologous chromosomes

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6

synapsis

alignment of genes in a tetrad

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7

crossing-over

genetic exchange between homologous chromosomes

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8

independent assortment of chromosomes

random way in which homologous chromosomes (tetrads) line up on the metaphase plate (INCREASES VARIATION)

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9

importance of crossing-over to sexual reproduction

increases variation

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10

gametogenesis

creation of gametes

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11

results of spermatogenesis

creation of sperm

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12

results of oogenesis

an egg

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13

cleavage furrow

structure that forms in animal cells during cytokinesis (how animal cells divide)

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14

cell plate

new cell wall that forms between new nuclei in plant cells (how plant cells divide)

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15

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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16

somatic cell

body cell

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17

germline cell

produce gametes

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18

karyotype

picture of an individual chromosome

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19

nondisjunction

chromosomes fail to separate

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20

cause of Down Syndrome

trisomy

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