Show:
Heredity 64
DNA 68
Chromosomes 70
Gregor Mendel 72
Genetic Engineering 88/92
100
What is a trait?
A characteristic
100
What does DNA stand for?
Deoxyribonucleic Acid
100
What is a chromosome?
Fine, threadlike structures -- located in the nucleus
100
What is a punnett square?
A chart that shows possible gene combinations
100
What is genetic engineering?
Methods used to produce new forms of DNA
200
What are traits you can inherit?
Eye color, hair color, height
200
What IS DNA?
A large molecule contained in chromosomes
200
Where do genes live?
wrapped around the chromosome
200
What does it mean when a gene is dominant?
The gene whose trait always shows itself
200
Who is Dolly the sheep?
The first cloned animal
300
What is the study of heredity?
Genetics
300
What is replication? (I need more than just the definition)
Process in which DNA duplicates
300
What is an allele?
two or more forms of a particular gene
300
What does it mean when a gene is RECESSIVE?
Gene of a trait that is hidden when the dominant gene is present (dormant)
300
How can farmers benefit from genetic engineering?
Bigger crops = $$$$
400
What is more common: Fraternal twins or Identical Twins?
Fraternal
400
What are the two pairs of husbands and wives? (NAMES)
Adenine ---> Thymine Cytosine <--- Guanine
400
DNA is located in the genes. Genes are located on the chromosome... Where are the chromosomes located?
in the nucleus in a CELL
400
What does it mean to be HOMOZYGOUS?
Having two like genes for the same trait BB
400
What is controlled breeding?
mating organisms to produce offspring with certain traits
500
Who is the father of genetics?
Gregor Mendel
500
What exactly does DNA do?
Carries chromosomes and genes in our cells.
500
Give an example of an allele.
Eye color: green, blue, hazel, brown
500
What does it meant to be HETEROZYGOUS?
having two UNLIKE genes for the same trait. Bb
500
What traits would you want to breed to get the perfect horse?
Speed, endurance, strength, intellegance