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landon lessmann
blume ch 5 #27-40
| Question | Answer |
|---|---|
| A person with phenotype A blood has how many possible genotypes? | 2 |
| A person with phenotype O blood has how many possible genotypes? | 1 |
| Is type O blood Dominant or Recessive? | recessive |
| Genes on chromosomes control the _____ that show up in an organism. | traits |
| During _____ a pair of chromosomes separate and the _____ move into separate cells. | meiosis alleles |
| The study of how traits are inherited is _____. | genetics |
| The different forms of a trait that a gene may have are _____. | alleles |
| An allele inherited on an X or Y chromosome is a _____. | sex-linked gene |
| For humans XX is a _____ and XY is a _____. (male or female) | female male |
| ____ - genes that are altered or copied incorrectly. | mutation |
| How is it possible for 2 parents with brown eyes to have a child with blue eyes? | parents are heterozygous, Bb. So if you look at the Punnet square there is a 25% chance of blue eyed offspring. They inherited the recessive allele from both. |
| What chromosomes disorder caused Down Syndrome? | If the chromosomes 21 does not separate during meiosis, one of he sex cells will have 3 chromosome 21's instead of 2 |
| How do scientists make bacteria cell produce insulin needed by type 1 diabetics? | Take out a DNA loop - splice a human gene ch. Put in a splice of recumbent DNA |
| How is gene therapy used to help cystic fibrosis. | virus act as a delivery vehicle by carrying normal genes to the cells in the airways of the lung. |
Created by:
llessmann
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