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| the study of how traits are transmitted from one generation to the next |
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| - Physical characteristic of on organism. |
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| Alternate forms of a gene. (T or t) (Tall or short) |
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| (Purebred) - Having the same alleles or genotype (TT |
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| (Hybrid) - Having different alleles or gentotypes (Tt) |
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| A trait that ALWAYS shows when it is present. |
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| A trait that is hidden if a dominate trait is present. |
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| genetic makeup of an individual |
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| obsevable physical characteristic of an organism |
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| a change in DNA ,change in chomosome number structure |
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| the basic unit of living organisms |
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| Law of Independent Assortment |
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Definition
| the distribution of one pair of alleles into gametes doesnt influence the distribution of the other pair. |
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Definition
| the change distribution of of chromosomes to daughter cells during meiosis |
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Definition
| characteristics that are influenced by alleles at only one genetic locus |
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| large molecules found on the surface of cells |
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| offspring of individuals that differ in certain traits or aspects of genetic makeup |
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| during gamete production, the members of each gene pair separate so that each gamete contains one member of each pair |
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Definition
| the expression of two allele in heterozygotes |
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Definition
| traits that are influenced by genes at two or or more loci ex skin color, eye color |
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| inherited differances among individuals, the basis for evolutionary change |
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Definition
| the change in the frequency of alleles from one generation to the next |
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| in a population, the % of all the alleles at a locus accounted for by one specific allele |
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| within a species,a community of individuals where mates are usually found |
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| exchange of genes between populations |
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| changes in allele frequencies produced by random factors |
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| a type of genetic drift in which allele frequencies are altered in small populations that are taken from, or are remrants of larger populations |
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| the total complement of genes shared by the reproductive members of a population |
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| small changes ocurring within species such as changes in allele frequencies |
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| changes produced only after many generations, such as appearance of a new species |
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| structures within cells surrounded by a membrane and oreform different specific functions |
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Definition
| structure found in all eykaryotic cells that contain chromosomes or nuclear DNA |
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| deoxyribonucleic acid(DNA) |
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Definition
| double stranded molecule that contains the genetic code. |
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Definition
| structure made of two or more atoms, can combine with other molecules to form more complex structures |
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| the portion of the cell contained within the cell membrane,contains semifluid |
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Definition
| three dimensional molecules that serve a wide variety of functional through their ability to bind to other molecules |
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Definition
| the assembly of chains of amono acids into functional protein molecules DNA directs the process |
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| structures contained within the cytoplasm of eukaryotic cells that convert energy,derived from nutrients into a form that is used by the cell |
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| structures composed of a form of a RNA called ribosomal RNA, rRNA and protein |
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| DNA found in the mitochondria,inherited only by the mother |
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Definition
| all the cells in the body except for those involved with reproduction |
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Definition
| reproductive cells eggs and sperm in animals,developed in ovaries and testes |
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| a cell formed by the unin of an egg and sperm,contains a full complement of chromosomes |
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Definition
| basic units of a DNA molecule composed of a sugar,phosphate and one of the four bases |
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Definition
| to duplicate,DNA is able to make copies of it self |
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