UNIT 2.4

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Latifa Adam
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Latifa Adam
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What are genetics genetics is the study of inherited characteristics called traits
what are alleles variations of genes
what do alleles do? Alleles occupy the same position on homologous chromosomes
what is pure breeding? When all the individuals have the same genetic information
what are homologous chromosomes chromosomes with genes for particular characteristics at the same location
what is heterozygous? having two different alleles on homogolous chromosomes
what is mutation? a mistake that is made as dna is copied causing a change to the base sequence
what is a mutagen an agent that causes mutation
whats a pedigree a diagram used to show patterns of inheritance over generations
what is plasmid ring of dna found in bacteria
what are traits inhertied characteristics
what is a recessive trait a trait that remains hidden in the heterozygous condition and only seen in the homozygous condition
what is genotype genetic information carried by an individual
what is a genome the complete set of DNA including all the genes of a cell individual or species
what is a dominant trait the trait that is observed in the outward appearance of a heterozygous individual
what is dna profiling a pattern of dna fragments unique to each individual
what is a carcinogen a mutagen that can lead to cancer
what is gene splicing the process used to add a gene into or remove genes from DNA
what is gene therapy the process of replacing a defective gene with a normal gene
what is recombinant dna technology technology that allows dna to be recombined with other genes
what are sex linked genes genes present on the sex chromosomes
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