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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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Definition
| 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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Definition
| 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 distinguishing characteristic or quality, esp. of one's personal nature |
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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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Definition
| 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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Definition
| 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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Definition
| any of a class of organic compounds that contains at least one amino group, –NH2, and one carboxyl group, –COOH: the alpha-amino acids, RCH(NH2)COOH, are the building blocks from which proteins are constructed. |
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Definition
| Genetics. the process by which genetic information on a strand of DNA is used to synthesize a strand of complementary RNA |
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Definition
| Genetics. the process by which a messenger RNA molecule specifies the linear sequence of amino acids on a ribosome for protein synthesis |
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Definition
| a single-stranded molecule of RNA that is synthesized in the nucleus from a DNA template and then enters the cytoplasm, where its genetic code specifies the amino acid sequence for protein synthesis |
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Definition
| a small RNA molecule, consisting of a strand of nucleotides folded into a clover-leaf shape, that picks up an unattached amino acid within the cell cytoplasm and conveys it to the ribosome for protein synthesis |
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Definition
| an enzyme that synthesizes the formation of RNA from a DNA template during transcription |
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Term
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Definition
| any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanine, and thymine, and a pentose sugar, in RNA the thymine base being replaced by uracil. |
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Definition
| a tiny, somewhat mitten-shaped organelle occurring in great numbers in the cell cytoplasm either freely, in small clusters, or attached to the outer surfaces of endoplasmic reticula, and functioning as the site of protein manufacture. |
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