Genetics
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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| Mendel's Basic Laws of Heredity | The rules to genes and how they work
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| Punnet Square | A chart that shows all of the possible combinations of alleles that can result from a genetic cross; used to predict the possibility of a particular offspring
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| Dominant Allele | When present more than once in a gene, the trait it codes will be expressed in the offspring
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| Recessive Allele | Only expressed when there are two copies of it in a gene pair; if dominant allele is present, it will be "covered up" and not expressed
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| Phenotype | The way something looks and how the trait is expressed using a ratio
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| Genotype | The actual combination of genes using a ratio
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| Homozygous | The same allele
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| Monohybrid | A Punnet square which follows the inheritance of one trait
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| Heterozygous | A dominant and a recessive gene in a pair
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| Mitosis | The process where a cell divides, giving rise to two identical daughter cells; contains the same number of chromosomes
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| Meiosis | The process only occurs in sex cells(sperm and egg)by which the number of chromosomes is reduced by half
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| Chromosomes | A structure within the nucleus that is made of DNA and protein
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| Deoxyribo Nucleic Acid (DNA) | Genetic material that carries information about an organism that is passed from parent to offspring; found in the nucleus of a cell
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| Chromatid | One type of rod of the chromosome
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| Genes | Segments of DNA located on chromosomes; codes are for a particular protein or function, like eye or hair color
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