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| is a molecular unit of heredity of a living organism. |
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| is an organized structure of DNA and protein found in cells. |
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| is one of a number of alternative forms of the same gene or same genetic locus (generally a group of genes).It is the alternative form of a gene for a character producing different effects. |
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| is the genetic makeup of a cell, an organism, or an individual (i.e. the specific allele makeup of the individual) usually with reference to a specific character under consideration. |
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| is the composite of an organism's observable characteristics or traits, such as its morphology, development, biochemical or physiological properties, phenology, behavior, and products of behavior. |
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| is a cell that fuses with another cell during fertilization (conception) in organisms that reproduce sexually. |
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| is a diagram that is used to predict an outcome of a particular cross or breeding experiment. |
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| During meiosis, the two chromosomes of a pair are distributed randomly to the gametes, each gamete having an equal chance of receiving either chromosome. |
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| A recombination event within a chromosome at meiosis. |
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| The process of random segregation and assortment of chromosomes during anaphase I of meiosis resulting in the production of genetically unique gametes. |
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| A cellular division process that is involved in sexual reproduction in eukaryotes in which gametes are produced having half the number of copies of each chromosome as the parents. |
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| is the fusion of gametes to initiate the development of a new individual organism. |
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| The diploid cell formed by union of two haploid gametes. |
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| An allele is completely dominant with respect to a certain phenotype if it produces that phenotype when present in either one or two copies. |
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| An allele is recessive with respect to a certain phenotype if it produces that phenotype only when present in two copies, that is, as a homozygote. |
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| Having the same alleles at a particular gene locus on homologous chromosomes. |
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| Having different alleles at one or more corresponding chromosomal |
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| a pattern of inheritance in which the transmission of traits depends on the presence or absence of certain alleles on the autosomes. |
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| a pattern of inheritance in which the transmission of traits varies according to the sex of the person, because the genes on the X chromosome have no counterparts on the Y chromosome. |
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| A kind of dominance wherein the dominant allele completely masks the effect of the recessive allele in heterozygous condition. |
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| A condition in which both alleles of a gene pair in a heterozygote are fully expressed, with neither one being dominant or recessive to the other. |
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| A condition in which heterozygotes express a trait that is distinguishable from both homozygotes. |
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