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| unit that passes on and determines traits. |
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| different forms of a gene |
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| A gene or allele that is “shown” in the offspring. Dominant genes mask or "hide" recessive genes. “ Dominance Rules” uses capital “ R” |
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| gene that is not “shown” in the offspring. Non ruling genes uses lower case “r” |
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| the passing on of traits from parent to offspring |
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| having two of the same alleles for a trait. Example ( RR or rr) |
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| having two different alleles for a trait. ( Aa) |
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| the physical characteristics in an organism ( like blue eyes, brown hair, blond hair) |
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| the allele make-up such as TT, Tt,tt. Made of 2 alleles, represented by letters |
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| a tool used to show all possible genetic outcomes of traits for offspring from one pair of parents |
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| also known as HOMOZYGOUS. Consists of gene pairs that are the SAME |
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| Also called HETEROZYGOUS. Consists of gene pairs that are DIFFERENT |
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| A gene or allele that is “shown” in the offspring. Dominant genes mask or "hide" recessive genes. “ Dominance Rules” uses capital “ R” |
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| when no allele in a genotype is masked |
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| when both inherited alleles are expressed |
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| a structure in the nucleus that contains hereditary material (DNA) |
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