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| duplication of DNA to DNA |
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| decoding of mRNA into an amino acid chain |
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| 3 nucleotide sequence on mRNA that codes for amino acids. Example ACA |
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| change in DNA sequence that affects information |
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| The dominant allele is expressed over the recessive one. |
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| The trait doesn't show when a dominant allele is present. |
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| traits controlled by genes found on sex chromosomes |
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| To what sex children may x-linked traits be passed? |
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| To what sex children may y-linked traits be passed? |
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| No, only mutations in sex cells (gametes) pass on to offspring |
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| Do skin, hair, muscle cell mutations pass on to offspring? |
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| What are the 3 types of RNA? |
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| mRNA serves as a messenger of DNA to the rest of the cell |
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| tRNA transfers each amino acid to the ribosome |
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1. DNA is made of deoxyribose suger;
RNA is made of ribose sugar.
2. DNA never leaves the nucleus;
RNA does leave the nucleus.
3. DNA is double stranded;RNA is single stranded.
4. DA has a T base;RNA has a U base. |
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| What are 3 differences between DNA & RNA? |
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Term
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| What bases pair together in DNA? |
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| What bases pair together in RNA? |
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| Frameshift is worse because it affects more base sequences. |
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| Which type of mutation is worse, frameshift or point? |
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genotype (the letters)=TT
phenotype (appearance)=Tall |
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| A man is homogenous tall. What is his genotype? What is his phenotype? |
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| What are the male sex chromosomes? |
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| What are the female sex chromosomes? |
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1. hormones
2. gender
3. nutrition |
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| What are 3 environmental influences on gene expression? |
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| Given the bases in DNA: GTA, CTG, give the base pair in RNA. |
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| What brings amino acid to the ribosome? |
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