Bio. Ch. 12.2 Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| trisomy 21 | condition in which an individual has three number 21 chromosomes, resulting in Down syndrome
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| Down syndrome | general set of symptoms in people with trisomy 21
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| nondisjunction | event during meiosis in which homologous chromosomes or sister chromatids fail to separate
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| duplication | change to a chromosome in which part of the chromosome is repeated
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| deletion | change to a chromosome in which a fragment of the chromosome is removed
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| inversion | change to a chromosome in which a fragment of the original chromosome is reversed
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| translocation | change to a chromosome in which a fragment of one chromosome attaches to a nonhomologous chromosome
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| transposon | genetic element that moves from one location to another in a genome
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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