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| an ordered arrangement of chromosome |
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1)genes are located on chromosomes
2)There are many genes on each chromosome |
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| 22 pairs of autosomes (any chomosome that is not a sex chromosome) |
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| traits found on sex chromosomes |
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appear differently in men and women because of sex chromosomes
ex-male pattern baldness |
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| controlled by genes at many locations |
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| singles traits with more than 2 alleles |
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2 genes on same chromosome
do not assort independently
ex-red hair and freckles |
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causes mental retardation
characteristic physical features |
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| mating plants or animals that have the same genetic makeups |
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| crossing of two parents with different traits in order to get offsprings that have more desirable traits than either parent |
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more than 2 complete sets of chromosomes
harmful in animals
beneficial in many plants |
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| splicing 1 organisms DNA into another |
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| choosing a few organisms out of a larger population to act as the parental generation |
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| XO- sterile female, short, low intelligence |
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agents that cause mutations
ex-radiation
smoke
chemicals |
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