Chapter 4 Vocabulary
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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| asexual reproduction | a type of reproduction-fission, budding, and regeneration-in which a new organism is produced from one organism and has DNA identical to the parent organism
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| chromosome | structure in a cell's nucleus that contains hereditary material
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| diploid | cell whose similar chromosomes occur in pairs
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| DNA | deoxyribnucleic acid; the genetic material of all organisms; made up of two twisted strands of sugar phosphate molecules and nitrogen bases
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| egg | haploid sex cell formed in the female reproduction, the joining of a sperm and egg
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| fertilization | in sexual reproduction, the joining of a sperm and egg
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| gene | section of DNA on a chromosome that contains instructions for making specific proteins
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| haploid | cell that has half the number of chromosomes as body cells
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| meiosis | reproductive process that produces four haploid sex cells from one diploid cell and ensures offspring will have the same number of chromosomes as the parent organisms
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| mitosis | cell process in which the nucleus divides to form two nuclei identical to each other and identical to the original nucleus in a series of steps
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| mutation | any permanent change in a gene or chromosome or a cell; may be beneficial, harmful, or have little effect on an organism
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| RNA | ribonucleic acid; a type of nucleic acid that carries codes for making proteins from the nucleus to the ribosomes
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| sexual reproduction | a type of reproduction in which two sex cells, usually an egg and a sperm, join to form a zygote, which will develop into a new organism with a unique identity
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| sperm | haploid sex cell formed in male reproductive organs
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| zygote | new diploid cell formed when a sperm fertilizes an egg; it will divide by mitosis and develop into a new organism
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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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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.
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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