BIOL 303 final multiple choice
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11 Terms
Penetrance
The percentage of individuals with a particular genotype that expresses the expected phenotype
Sex-influenced characteristics
A trait determined by an autosomal gene that is more readily expressed in one sex
Sex-limited characteristics
A trait determined by an autosomal gene that is expressed in only one sex
Sex-linked characteristics
A trait that is encoded by a gene located on the sex chromosomes.
Determined a “transforming principle” in bacteria
Frederick Griffith
Took X-ray diffraction pictures used in constructing the structure of DNA
Rosalind Franklin
Discovered regularity in the ratios of different bases
Erwin Chargaff
Identified DNA as the genetic material in bacteriophage
Hershey and Chase
Determined DNA is responsible for transformation bacteria
Avery, Macleod, and McCarty
Worked out the helical structure of DNA by building models
Watson & Crick
The first scientist to isolate nucleic acid DNA from pus rags
Friedrich Miescher
Note 
Flashcards (39)