genetic info
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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| Whats mitosis? | cell divisoin
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| Whats a chromosome? | threadlike gene carrier
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| whats meiosis? | sex cell division
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| Whats DNA? | deoxyribonucleic acid; transfers genetic characteristics
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| Whats a mutation? | any change from normal
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| Whats a recessive trait? | the trait thats coverd by the dominant
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| Whats a dominant trait? | Covers the recessive
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| who was mendel? | austrian who founded the science of genetics
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| whats a pedigree? | table/chart of genes
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| Whats co-dominance? | 2 different alleles that are both heterozygous
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| What are sex linked traits? | trait that only males or only females would have
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| Whats homozygous? | an organism whose two alleles for a trait are exactly the same
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| Whats a heterozygous? | an organism with two dif. alleles for a trait
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| What does the prefix poly stand for in genetics? | a type of inheritance where more than one gene controls a trait
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| What determines the traits? | the alleles on the chromosomes
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| What are the two allele forms? | dominant and recessive
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| What happens in meiosis? | the chromosomes seperate and the allels go in seperate sex cells
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| Whats an example of a polygenic inheritance? | eye color
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| what is a type of genetic disorder? | diabetes, whenyou dont have enough insulin in your body
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| Whats genetic engineering? | When scientists change the arrangement of DNA.
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| Whats an example of genetic engineering? | Gene therapy
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| HOw could two parents with Type A and type B blood have a baby that has type O? | The O blood type could be recessive and both the parents have those alleles. (AO and BO)
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| what role do genes play? | they control the traits that show up in organisms
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| What 3 principles of heredity did Mendel discover? | 1. traits are controlled by alleles on chromosomes. 2. an allele may be dominant or recessive in action. 3. when a pair of chromosomes seperate the alleles go into seperate sex cells
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| Whats heredity? | the passing of traits from one generation to antoher
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| Whats incomplete dominance? | both allels are expressed in offspring
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| Whats a hybrid? | recieves dif. genetic info from each parent; same as heterozygous
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| whats a dominant trait? | trait that covers up the recessive
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| Whats a punnett square? | a tool used to predict the possible offspring of a mating
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| whats genotype? | the genetic makeup of an organism
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| whats genetics? | the study of how traits are inherited through the interactions of alleles
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