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