A __________ cuts DNA only at specific nucleotide sequences.
  • is a carrier.
  • Embryonic stem cells can grow into any other cell type, including a nerve cell.
  • one copy; does not
  • restriction enzyme
Certain cells taken from umbilical cord blood have the potential to treat illnesses such as lymphoma and leukemia. In what way are cord blood cells useful to treat these diseases?
  • Cord blood contains stem cells that can be grown and differentiated into some cell types but not all cell types.
  • 0%, because the child must receive the bad gene from both parents
  • diabetes, since the target cells are found only in the pancreas
  • Doctors were replacing only one gene, and they only had to insert that gene into bone marrow cells.
If Sophie conceives a child, and the father neither has cystic fibrosis nor is a carrier, what are the chances that the child would have cystic fibrosis?
  • Cord blood contains stem cells that can be grown and differentiated into some cell types but not all cell types.
  • diabetes, since the target cells are found only in the pancreas
  • 0%, because the child must receive the bad gene from both parents
  • one copy; does not
Theoretically, which of the following diseases should be the easiest to treat through gene therapy, considering the targeted organs and tissues where the corrected gene must be delivered?
  • 0%, because the child must receive the bad gene from both parents
  • Cord blood contains stem cells that can be grown and differentiated into some cell types but not all cell types.
  • Embryonic stem cells can grow into any other cell type, including a nerve cell.
  • diabetes, since the target cells are found only in the pancreas
How could an embryonic stem cell be used to repair a severed spine?
  • 0%, because the child must receive the bad gene from both parents
  • Embryonic stem cells can grow into any other cell type, including a nerve cell.
  • restriction enzyme
  • Doctors were replacing only one gene, and they only had to insert that gene into bone marrow cells.
Part DIf Sophie has a brother or sister from the same parents, what are the chances that sibling would have cystic fibrosis?
  • 0%, because the child must receive the bad gene from both parents
  • is a carrier.
  • obesity
  • 25%
Which of the following is LEAST likely to be a health problem for someone with cystic fibrosis?
  • Doctors were replacing only one gene, and they only had to insert that gene into bone marrow cells.
  • one copy; does not
  • is a carrier.
  • obesity
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