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.
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)
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