heredity & 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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| heredity | the passing of traits from parent to offspring
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| genetics | the study of how traits are passed to offspring
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| gene | set of instruction for an inherited trait
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| allele | part of gene that determines your traits
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| dominant allele | describes a trait that will always show up if present in the genes
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| recessive allele | describes a trait that is covered over by another form of that trait
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| chromosomes | structures in the nucleus that carry genetic information (DNA)
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| trait | characteristics controlled by genes
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| hybrid | offspring that was given different genetic information for a trait from each parent (Tt) same as heterozygous
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| purebred | organism that has 2 identical alleles for a trait
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| heterozygous | describes an organism with 2 different alleles for a trait
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| homozygous | describes an organism with 2 alleles that are same for a trait
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| phenotype | the outward physical appearance & behavior of an organism
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| genotype | the entire genetic makeup of an organism (all the genes an organism has)
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| punnet square | a tool (square) used to show the probability of different ways alleles can combine
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| sex chromosome | pair of chromosomes that determines the sex of the indivual the xx female sex chromosome xy male sex chromosome
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| genetic engineering | used to help produce large volumes of medicine, change how cells perform etc.
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| homologous chromosomes | chromosomes that have the same sequence of genes & the same structure
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| sex linked gene | allele inherited on a sex chromosome that can cause human genetic disorder ( heart disease, color blind, etc.)
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| incomplete dominance | means that 1 trait is not completely dominant over another
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| co-dominant | organism that has both alleles of a gene displays both phenotypes
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Created by:
ragan_eve
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