Term
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Definition
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Term
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Definition
| a change in the nucleotide sequence of DNA |
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Term
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Definition
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Term
| mutation inducing activities |
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Definition
| smoking, x-rays, sunbathing/tanning |
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Term
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Definition
| a type of mutation that is known as silent mutation where there is a letter change that does not cause a new amino acid to be formed |
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Term
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Definition
| type of mutation where an extra letter is added to the reading frame and COULD change the amino acid sequence and thus the protien formed |
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Term
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Definition
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Term
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Definition
| 1 letter change to reading frame |
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Term
| protection types our body naturally has against mutation- 5 different ones |
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Definition
1. DNA proofreading
2. DNA Repair
3. checking RNA's as they are made
4. Eliminating malformed protiens
5. Genetic code (more thano ne condon for same amino acid) |
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Term
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Definition
| daughter strands have 1/2 original DNA and 1/2 of new DNA |
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Term
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Definition
| mutation in DNA that leads to disrupted cell cycle and then unconrolled cell growth/divison |
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Term
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Definition
| growth and development, repairing damanged/worn out cells, wound healing, asexual reproduction |
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Term
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Definition
| protective cap of chromosomes |
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Term
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Definition
| prevents telomere shortening |
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Term
| prokaryotic cell division uses what kind of division? |
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Definition
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Term
| Eukaryotic cell division uses what kind of division? |
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Definition
| nuclear division, cytoplasm division |
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Term
| what happens in the prophase of mitosis |
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Definition
| nuclear membrane breaks, sister chromatids condence, spindle fibers form |
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Term
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Definition
| sister chromatids line up in the center of the cell |
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Term
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Definition
| sister chromatid pairs are pulled apart and move to the separate poles of the cell |
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Term
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Definition
| chromosomes uncoil, nuclear membrane reforms |
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Term
| animal cells use a draw string like grip to pull the cell into two separate cells what is this known as? |
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Definition
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Term
| what causes the difference in the way plant and animal cells separate? |
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Definition
| plants have a cell wall that animal cells do not have |
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Term
| in asexual reproduction how do they get new traits? |
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Definition
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Term
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Definition
| reproduction where offspring are an exact copy of the parent |
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Term
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Definition
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Term
| what are some examples of haploid cells? |
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Definition
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Term
| where are chromsomes duplicated in meiosis? |
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Definition
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Term
| what happens in prophase 1 of meiosis |
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Definition
| replicated chromosomes condense, spindle fibers form, nuclear membrane breaks, homologous chromosomes pair |
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Term
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Definition
| paired homologous chromosomes line up along the center of the cell |
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Term
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Definition
| spindle fibers break down, chromosomes become long and thin, nuclear membranes reform, cytokinesis occurs |
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Term
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Definition
| homologous chromosomes separate and are pulled to the opposite poles of the cell |
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Term
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Definition
| chromosomes condence, spindle fibers form, nuclear membrane breaks down |
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Term
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Definition
| chromosomes line up in the center of the cell, spindle fibers attach to chromatids |
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Term
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Definition
| chromosomes separate and move toward opposite poles |
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Term
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Definition
| spindle fibers break down, chromosomes de-condense, nuclear membranes reform |
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Term
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Definition
| chromosomes swap material between non sister chromatids of homologs |
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Term
| who determines gender in humans? |
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Definition
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Term
| which has more info x or y? |
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Definition
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Term
| trisomy 21 is known as what, and has how many chromosomes? |
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Definition
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Term
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Definition
| the unequal distributino of chromosomes during meiosis |
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Term
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Definition
| introducing a new gene into an organism changing its genome |
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Term
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Definition
| makes its own toxin that is resistant to insects |
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Term
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Definition
| polymerase chain reaction |
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Term
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Definition
| type of polymerase used in PCR |
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