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| A sequence of DNA that determines a trait |
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| a dominant and recessive allele |
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| Two of the same alleles (dom and dom; recess and recess) |
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| describes an allele as being more likely to happen |
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| describes an allele as being less likely to happen |
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| Why do we use Punnett Squares? |
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| To predict if an offspring will get a certain allele. |
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| What is the purpose of meiosis? |
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| How do the number of chromosomes change during mitosis? Why do they need to change at all? |
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| They get split in half, because each parent passes one allele each to the offspring. |
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| How is meiosis related to heredity? |
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| Meiosis judges the outcome of heredity |
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| How is codominance and incomplete dominance different from normal inheritence? |
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| they have more possible outcomes |
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| What are polygenic traits? How are they different from the traits we've been studying? |
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| They use many genes for an outcome |
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| What are the sex chromosomes in humans? Which sex chromosomes do males have? Females? |
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| What are sex linked traits? How do you write alleles for sex linked traits? |
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| Traits that are found on the X chromosome with the allele as an exponent |
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| one letter only; uses capital and lower case |
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| Incomplete Dominance (blend) |
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| 2 letters; neither letter is dominant; ex. Red= RR White= WW Pink= RW |
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Mom= XX
Dad= XY Traits only on the X
Sex linked traits are recessive |
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