biology genetic
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| genes | specific units on a chromosome that carry individual traits
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| phenotype | the physical appearance of an organism
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| dominant | the form of a gene that is expressed while preventing the expression of another gene
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| homozygous | term used when the two genes for a specific trait are identical
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| deoxyribonucleic acid | chromosomes are made of this material
(2 words)
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| selective breeding | crossing of plants and animals to produce specific traits in the offspring (2 words)
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| zygote | for a particular trait, this organism has 2 different alleles
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| Punnett square | a chart that can be used in determining the possible combinations of genes among offspring of a genetic cross (2 words)
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| gene pool | all the genes of a given population
(2 words)
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| Gregor Mendel | he laid down the basic foundation for the science of genetics 92 words)
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| heterozygous | term used when the 2 genes for a specific trait are not identical
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| forty six | number of chromosomes in a human body cell
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| mutation | a change in a gene
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| recessive | gene that is not expressed due to the influence of a dominant gene
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| genotype | the genetic makeup of an organism
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| polygenic????? | type of inheritance in which traits are controlled by several pairs of genes
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| alleles ???? | different forms of a gene for a specific trait such as height
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| ????????? | an organism whose alleles for traits are identical
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Created by:
mamarobn