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| List of the alleles present in an organism |
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| Physical description of an organism |
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| When one gene masks or covers the expression of another gene |
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| When an organism has two different alleles for one gene |
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| When an organism has two similar alleles for one gene |
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| When one allele expresses its characteristic in spite of the presence of a different allele (if red is dominant, then a red allele + white allele = red flower) |
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| When a heterozygous organism displays a blending of both traits (if red and white are co-dominant, then a red allele + white allele = pink flower) |
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| When a heterozygous organism displays both of the traits at the same time (if red and white are co-dominant, then a red allele + white allele might produce patches of red and patches of white). |
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| any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation. |
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| the basic physical unit of heredity; a linear sequence of nucleotides along a segment of DNA that provides the coded instructions for synthesis of RNA, which, when translated into protein, leads to the expression of hereditary character. |
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| A genetically determined characteristic or condition: a recessive trait. |
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| that one of a pair of alternative alleles whose effect is masked by the activity of the second when both are present in the same cell or organism. |
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| any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion. |
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| of or pertaining to a trait controlled by a gene or genes on the X chromosome. |
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| a triplet of adjacent nucleotides in the messenger RNA chain that codes for a specific amino acid in the synthesis of a protein molecule. |
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| a hormone taht is made up of simple amino acids, peptides, or proteins. |
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| the process of forming a nucleic acid by using another molecule as a template. |
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| the portion of protein synthesis that takes place at ribosomes and that uses the codons in mRNA molecles to specify the sequence of amino acids in polypeptide chains. |
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| an enzyme that starts the formation of RNA by using a strand of a DNA molecule as a template. |
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| in a nucleic-acid chain,a subunit that consists of a sugar, a phosphate, and a nitrogenous base. |
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| a cell organelle composed of RNA and protein. |
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| a sequence of three nucleotides in a region of transfer RNA that recognizes a complementary coding triplet of nucleotides in messenger RNA during translation by the ribosomes in protein biosynthesis. |
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