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22 terms

LS 6 - Genes and Gene Technology Questions

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Watson and Crick
Name the two scientists that built one of the first models of DNA.
Franklin
Name the female scientist that determined DNA had a spiral shape using x-ray diffraction experiments.
Chargaff
Who discovered that the amount of adenine equals the amount of thymine, and amount of guanine equals cytosine?
chromosomes
Name the genetic structures are made up of DNA and protein.
Nucleotide
Name the subunit of DNA.
protein
A long strand of amino acids that are assembled at the ribosome.
100,000
Approximately, how many genes are found in one cell?
50,000
Approximately, how many different types of proteins are found in the human body?
substitution
Name the most common type of mutation that can occur in cells.
insertion
Name the type of mutation that occurs when an extra base is added.
deletion
Name the type of mutation that occurs when a base it left out.
Ribose
Name the pentose sugar that is found in RNA.
Deoxyribose
Name the pentose sugar that is found in DNA.
incomplete dominance
How is pink flower color is inherited?
double stranded helix
How can you describe the shape of a DNA molecule?
sugar and phosphate
Name the two molecules that form the backbone of DNA.
bases
The "rungs" of the DNA ladder are composed of nitrogenous ________________.
mRNA
Name the "messenger" molecule involved in formation of a protein.
tRNA
Name the "transfer" molecule involved in formation of a protein.
sickle cell anemia
Name the recessive genetic disease that affects the shape of red blood cells (RBCs).
selective
In _______ breeding, organisms with certain traits are mated to produce offspring with desirable traits.
engineering
In genetic ___________, scientists transfer genes from one organism to another organism.