genetics test (edited to become midterm)
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 scientific study of heredity
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dominant gene | the strong gene, if it is present whatever it is representing will show
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hybrid | two different genes for a given trait
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genotype | gene combination for a given trait
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phenotype | outward appearance of the genotype
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girls can only hold... | x chromosomes
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boys can hold both... | y and x chromosomes
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sex linked trait | traits that are carried on the x chromosomes of the 23 par of the double helix
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sex linked traits cannot be on the... | y chromosome
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incomplete dominance | AKA co dominance; the situation where more than one gene is dominant for a given trait
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in incomplete dominance... | one gene cannot over power the other
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traits are passed from... | parent to offspring
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gene traits determine... | traits
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genes will always be inherited... | in pairs
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genes are either... | dominant or ressessive
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meiosis | cell division of gametes resulting in half the # of chromosomes
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DNA | deroxyribo nucleic acid
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double helix | the twisted ladder structure that human DNA takes
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a only pairs with... | t
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c only pairs with | g
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mutation | mistake in DNA
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mutigan | anything that causes a mutation
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internal mutation | caused when the pairs are replicated wrong
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inherited disease | passed to the offspring genetically ex. hemophilia
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selective breeding | pick the traits that you like from the parent generation and breed
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gene transfer | moving a single gene from one organism to another
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why gene transfer bacteria? | reproduce quickly, easy to work with, inexpensive
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splice | using enzymes to remove a gene from a chromosome
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recombinant DNA | mixing DNA from different sources to create an entirely new organism
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cloning | the creation of an organism that is an exact genetic copy of an other
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SCNT | somatic cell nuclear transfer
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somatic cell nuclear transfer | in SCNT there is no mixing in DNA
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mRNA | messenger RNA; carries message as to what protein is needed
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tRNA | transfer RNA; arranges the protein chain to create what was ordered by mRNA
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karyotype | gene map done by a genetisist that can tell if there disorder or gender
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cell | the basic unit of life
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cell --> tissue --> organs --> ___ --> ___ | systems --> organism
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Robert Hooke | coined the word "cell". Also the first person to view cells under a microscope
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vonLeewonhock | first to view animal cells under a microscope
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spontaneous generation | mistaken belief that life can arise from a nonliving source
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Louis Pastur | demonstrated that new bacteria grew only with existing bacteria
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cell theory1 | all living things have cells
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cell theory2 | cells are the basic unit of function and structure in a living thing
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cell theory3 | cells can only come from other living cells
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reproduction |
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