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mutations
| Question | Answer |
|---|---|
| mutations | a change in gentic material |
| mutautions can be ____________or can be caused by chemical or ___________factors | spontaneous physical |
| ex of mutagens is | x-ray benzene bromines cigarette smoke |
| mutaation can occur in ethier _____ cells that are or in germ cells | somatic |
| germ cell mutation can be __________ | inherited |
| point mutations | substitutions usually affect only a single amino acid |
| ex of piont mutations is | prolin ccu,ccc,cca,ccg |
| what is the 21 base has three chromosome what would it be | nonjuction |
| duplication | part of a chromosome is copied and added to the chromosome. |
| deletion | part of the chromsome are lost from the chromsome |
| inversion | a piece of the chromsome is snipped out and then reattached |
| 12# is the inversion reattached but in the opposite dirtection | true |
| DNA of an organism is a chage in the ____of chromosomes it has | number |
| one can observe these chages in a ___________ | kargotype |
| is a karyotype is a visual representation of the chromosomes of an organism | true |
| insertions and deletions are often more dramtic- changing the groups of the bas is called | frameshift |
| dna has a | backbone |
| 18# dna and rna have the same | mrna and a c g |
| mRNA | carry copies of the these instructions from DNA to reset of the cell |
| rRNA | proteins are assembled on the ribosomes |
Created by:
jescar27
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