genetics study guide
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Created by:
frantzi1414 on February 15, 2012
Description:
for science
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17 terms
Terms | Definitions |
|---|---|
 sexual | from two parents organisms(1/2),plants, and animals |
| asexual | one parent |
| what is a trait determined by? | one gene, many genes, enviroment |
| where is genetic information contained in the cells of most organisms? | nucleus |
| why are fruit flies often used to study genetics | do to their short life cycle, they reproduce quickly |
| list chromosomes, D.N.A and cells from largest to smallest? | cells contain chromosomes wich is coiled up D.N.A |
| how many dominate phynotype are there( remebr the phynotype is the physical trait displayed) ? | 3 |
| how may recessive phynotypes | 1 |
| what are the genotypes of the DOMINAT trait? | RR;Rr |
| is a punnet square used to show offspring of sexual or asexual reproduction? | sexual |
| what is D.N.A fingerprinting used for? | to identinfyed a person and diagnose a gentics disorder |
| the tradeoff of being gentically tested is? | you may find out you may have the diease and it may be hard to get insurance |
| when a trait skips a generation is that trait recessive or domninate? | recessive |
| whos is one of the first peopleto study genetics and is know as the grandfather of genetics? | gregor mendal |
| how may chromosomes do human have | 23 |
| how may copies of each chromosome do cells hav | 2 |
| what is the percent chance that offspringt will have the trait? | 25% |
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