Genetics vocab
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 study of heredity
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| fertilization | joining of egg and sperm cells
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| trait | a specific characteristic, like eye color
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| hybrid | the offspring of parents with different traits
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| gene | factor that is passed from parnent to offspring
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| allele | the different form of a gene, like tall or short
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| principle of dominance | some alleles are dominant, and some are recessive
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| segregation | seperation of alleles during meiosis
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| gamete | egg or sperm cell
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| probability | likehood that a particular event will occur
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| homozygous | organism with 2 identical alleles
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| heterozygous | organism with 2 different alleles
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| phenotype | physical trait, what you can actually see
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| genotype | genetic make-up, cannot be seen
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| Independent Assortment | genes for different traits sort independently during meiosis
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| Incomplete Dominance | the heterozygous phenotype exist somewhere in between or is a blend...like pink flowers.
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| Codominance | Both alleles are clearly expressed at the same time, like roan cattle
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| Mutiple Allele | 3 or more alleles exist for one trait...like blood types
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| polygenic traits | trait controlled by 2 or more genes
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| homologous | 2 sets of chromosomes, 1 from each parent
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| diploid | cell containing both sets of homologous chromosomes
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| haploid | cell containing a single set of chromosomes
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| meiosis | process that cuts number of chromosomes in half, producing gametes
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| tetrad | the pairing of homologous chromosomes, made up of 4 strands of DNA
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| crossing over | sections of chromosomes are exchangesd during meiosis
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| zygote | name of egg after fertilization
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Created by:
jamesweide
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