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What is a gene?
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A "recipe" for how to make a protein.
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A sequence of DNA nucleotides that provide a chemical message for printing a protein.
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Denim pants
Frage 2
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What is a locus?
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A "fixed address" on a chromosome
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A cicada
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A "street map" for where certain genes are on the chromosomes
Frage 3
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What is an allele?
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A group of genes that determine a trait
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One of different versions of a gene
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Variations of a protein recipe
Frage 4
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Blood Type A alleles
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A101
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C3PO
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A201
Frage 5
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Blood Type B allele
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Type B only has one allele
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B101
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All about that bass
Frage 6
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Blood Type O allele
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O01
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O02
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O03
Frage 7
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Why are the "O" allele blood-type proteins non-functional?
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Because they are the wrong sequence of amino acids.
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A nucleoide has been deleted from the 258th position on the gene.
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Every amino acid after the deletion is wrong!
Frage 8
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Varied alleles lead to....
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Varied proteins
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The same proteins
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Both functional and non-functional proteins
Frage 9
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What is a phenotype?
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A record player
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An inherited physical characteristic
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What you look like, based on your genes
Frage 10
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One-gene phenotypes are
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The physical characteristics resulting from an allele at a single locus
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For example, what color socks you buy
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For example, blood type
Frage 11
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Poly-genic phenotypes are...
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Alleles at two or more loci
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Produce proteins that interact to produce a physical trait
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For example, skin color, hair color, and eye color
Frage 12
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We inherit
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1 set of chromosomes
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2 sets of chromosomes
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3 sets of chromosomes
Frage 13
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What is a recessive allele?
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An allele that is only expressed when there are no dominant alleles around.
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An allele that is always expressed
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