Biology Flash Cards - DNA and Genetic Engineering
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Biology Flash Cards - DNA and Genetic Engineering - Leaderboard
Biology Flash Cards - DNA and Genetic Engineering - Details
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20 questions
| 🇬🇧 | 🇬🇧 |
| Name the bonds which hold together the strands of the DNA double helix? | (Weak) Hydrogen Bonds |
| Name the 3 components of extraction buffer? | Salt, Water and Detergent |
| Name the chemical that is added to precipitate the DNA from its solution during the DNA extraction core practical? | (Ice Cold) Ethanol |
| Define allele? | A diffrent version (form) of the same gene |
| Define heterozygous? | When an organism has two alleles from a particular gene and they are different |
| Define recessive allele? | An allele that is only expressed when 2 copies are inherited |
| Define mutation? | A change in the sequence of bases within DNA |
| Name the enzyme used in genetic engineering which cuts the DNA strand | Restriction Enzyme |
| Two different pieces of DNA joined together from two different organisms is called what? | Recombinant DNA |
| Define dominant allele? | An allele that is always expressed (even if only one is inherited) |
| Define homozygous? | When an organism has two alleles for a particular gene and they are the same |
| Which scientific process involves modifying an organisms genome to produce desirable characteristics by using DNA from another organism or species? | Genetic Engineering |
| Define genome? | The entire set of genes for an organism |