Chapter 3 Genetics
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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| inherited Trait | a characteristic that is passed on from parent to offspring
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| heredity | the passing of inherited traits from parent to offspring
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| genetics | the study of heredity
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| acquired trait | a trait influenced by experience or the environment
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| hybrid | an organism produced by the crossing of parents that have two different forms of the same trait
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| dominant trait | the form of an inherited trait that masks the other form of the same trait
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| recessive trait | the hidden form of an inherited trait that will only show in the phenotype if it is paired with another recessive trait
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| gene | the portion of the chromosome that controls a particular inherited trait
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| chromosome | one of the threadlike structures in the nucleus of a cell that stores detailed directions for the cell's activities
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| genotype | the genes that are inherited by an organism for a particular trait
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| phenotype | the way in which a genotype is expressed, or shown, in an organism
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| X chromosome | chromosomes that combine to determine a person's gender - MALE
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| Y chromosome | chromosome that combine to determine a person's gender
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| pedigree | a chart that traces the history of traits in a particular family
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| carrier | an organism that has inherited the gene for a specific trait but does not express that trait
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| genetic disorder | a condition caused by mutation, or change, in a gene or a set of genes
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| DNA | deoxyribonucleic acid is a long complex molecule that contains the genetic code of an organism
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| Genome | consists of all the DNA that makes up an organism
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| Genetic engineering | a way of intentionally changing a genetic sequence in DNA so that a particular trait is produced
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| Geneticist | a scientist who studies how heredity works
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| Gene splicing | takes genes from one organism and adds them to the genes of another organism
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| Clone | an organism that receives all of its DNA from one parent and is genetically identical to that parent
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| Variation | a difference among members of the same species that enables individuals to better survive and reproduce
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| mutation | is a change in an organism's genetic makeup
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| natural selection | occurs when the organisms that are best suited to their environments survive and reproduce successfully
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| antibiotic | kills disease causing bacteria
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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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