Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Genetics | The scientific study of heredity
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| Gregor Mendel | A monk in a monastery who experimented with genetics of pea plants and lived in Vienna Austria
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| Traits | A characteristic that an organism can pass on to its offspring through its genes
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| Heredity | The passing of traits from parents to offspring
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| P generation | Parental generation
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| F1 generation | Offspring of P generation
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| F2 generation | offspring of F1 generation
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| Genes | A segment of DNA on a chromosome that codes for a special trait
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| Alleles | The different forms of a gene
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| Recessive alleles | An allele that is masked when a dominant allele is present
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| Dominant alleles | An allele whose trait always shows up in the organism when the allele is present
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| Hybrid | An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait
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| Chromosome | A doubled rod of condensed chromatin; contains DNA that carries genetic information
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| DNA | Deoxyribonucleic acid; the genetic material that carried information about an organism and is passed from parent to offspring
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| Genotype | An organisms genetic makeup, or allele combinations
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| Phenotype | An organisms physical appearance, or visible traits
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| Heterozygous | Having two different alleles for a trait (different)
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| Homozygous | Having two identical alleles for a trait (the same)
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| Meiosis | The process that occurs in sex cells by which the number of chromosome is reduced by half
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| Mitosis | The stage of the cell cycle during which the cells nucleus divides into two nuclei and one copy f the DNA is distributed into each daughter cell
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| Punnett Square | A chart that shows all the possible combinations of alleles that can result from a genetic cross
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| Probability | The likelihood that a particular event will occur
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| Codominance | A condition in which neither of the two alleles of a gene is dominant or recessive
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| Fraternal twin | Separate genetic material
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| Identical twin | Same genetic material
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| Clone | An organism that is genetically identical to the organism from which it was produced
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