8.1 Bio
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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| Chromosome | in a eukaryote cell, 1 of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA
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| Histone | a type of protein molecule found in the chromosome of eukaryotic cells but not prokaryotic cells
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| Chromatid | 1 of the 2 strands of a chromosome that become visible during meiosis or mitosis
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| Centromere | the region of the chromosome that holds the 2 sister chromatids together during mitosis
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| Chromatin | a portion of the cell nucleus made up of DNA and proteins; it is the carrier of the genes in inheritance
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| Sex Chromosome | 1 of the pair chromosomes that determine the sex of an individual
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| Autosome | any chromosome that is not a sex chromosome
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| Homologous Chromosome | chromosomes that have the same sequence of genes, that have the same structure, and that pair during mitosis
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| Karyotype | an array of the chromosomes found in an individual's cells at metaphase of mitosis and arranged in homologous pairs and in order of diminishing size
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| Diploid | a cell that contains 2 haploid sets of chromosomes
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| Haploid | describes a cell, nucleus, or organism that had only 1 set of unpaired chromosomes
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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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