Chapter 10 PowerPoint Flashcards
Each cell in your body (except ______ and _______) has the same DNA.
Sperm and Egg
Each cell in your body (except sperm and egg) has the same _____.
DNA
Cells express different _____ based on their functions.
genes
Plants and animals have been modified by humans for thousands of years.
True
_______ ________: is selective breeding where humans choose desired traits.
Artificial Selection
Artificial Selection:
Genes are not moved between _________.
Organisms
Artificial Selection:
Frequency of _____ in population is changed over generations.
alleles
Genetically modified foods contain about 85% of U.S. _____ and _____.
corn and soy
Processed foods contain GM products
1.
2.
3.
- corn syrup
- soy
- vegetable oils
Formed by the incorporation of a gene from one organism into the genome of another species.
Transgenic organism
Transgenic Organisms are also called _____ ______ _____.
genetically modified organism (GMO)
- Increase shelf life
- Increase crop yield
- Increase nutritional value
are all reasons to ______________.
Modify plant crops
Tomatoes ripen more slowly.
Increase shelf life
Plants resist pesticides and herbicides
farmers may use less chemicals on crops
Increase Crop Yield
Golden rice produces beta-carotene
Increase nutritional value
pests may come resistant to _______ ________.
Genetic Modifications
Development of “super bugs and Super weeds” and leads to even more use of pesticides and herbicides because of _____ _______ crops.
Genetically modified
Engineered salmon mating with wild populations may disrupt ______ _______.
Food webs
production of GMOs that produce drugs to treat or prevent disease.
Pharming
Tobacco plants produce human proteins (blood)
True
_______ produce human blood-clotting proteins in their milk.
goats
Step 1 in pharming goats:
human clotting gene being injected into the fertilized goat egg
Step 2 in pharming goats:
One female pregnant goat
Step 3 in pharming goats:
offspring goat being milked