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| The offspring of parents that have different forms of a trait, such as Tall and short for height. |
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| The original parental generation |
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| The first set of offspring of the parents (filial) |
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| The second set of offspring of the parents |
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| The passing on of characteristics from parent to offspring |
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| Branch of biology that studies heredity |
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Alternative forms of the same gene
T for tall and t for short |
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| The trait that seems to dissapearu |
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| Every individual has 2 alleles of each gene, and when gametes are produced, each gamete receives one of these alleles |
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| The visible characteristics of an organism. |
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| The allele combination of an organism |
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| The 2 alleles for a trait are the same (TT) |
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| The 2 alleles for a trait are different (Tt) |
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| A cross involving 2 traits (9:3:3:1) |
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| Law of Independent Assortment |
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Definition
| Genes for different traits are inherited independently of each other. |
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| A shorthand method of determining the ratio of possible genotypes in the offspring |
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| A cross involving one trait (3:1) |
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| When 2 genes are inherited together |
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| Any change in the DNA sequence. Can occur during replication, transcription, cell division, or by external agents. |
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| A change in a single base pair of DNA |
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| A change where a single base is either added to or deleted from DNA. Worse than Point Mutation |
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| Structural changes in chromosomes. Usually lethal. |
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| Any substance that can cause a change in DNA |
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| A graphic representation of genetic inheritance. |
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| A heterozygous individual |
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| Both alleles are expressed equally |
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| Traits controlled by genes on the sex cells. |
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| A chart depicting chromosome pairs |
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