Bio 304 Genetics Exam
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4BIO 304 Genetics
Exam #1
Name_____KEY________________
SSN____________________________
semi-conservative
conservative segregation
meiocyte
heterozygote
globular
fibrous
enzyme
aminoacyl-tRNA synthetase
haplo-insufficient
null
prototrophic
auxotrophic
mutation
virus
continuous
discontinuous
eukaryote
developmental noise
norm of reaction
polymorphism transcription
translation
prokaryote
ribozymes
introns
exons
consensus sequences polypeptides
quantitative
plasmid
organelle
karyotype
crossing over
heterochromatin
homologs
nucleosome
kinetochore
histone
topoisomerase
initiation
helicase
Okazaki fragments
ligase
elongation
termination
promoter
polypeptide
transcript
tRNA
scRNA
rRNA
independent assortment
replication
genotype
phenotype
reporter gene
anaphase I
telophase
metaphase I
prophase II
anaphase II
anaphase
chromatids
alleles
genes
wild type
mutant
cytosine
guanine
adenine
uracil
thymine
recessive
dominant
leaky
gain-of-function
phosphodiester
5'
3'
amino
carboxyl
promoter
primary
secondary
tertiary
quaternary
maternal inheritance
haploid
diploid
polyploid
purine
pyrimidine
nitrogenous base
nucleotide
deoxyribose
ribose
complementary
Use one of the above terms to best complete each sentence #1-15 below. (2 pts. each)
1. Purine bases commonly found in DNA are guanine and ____adenine_____.
2. The normal phenotype that is typical of most individuals in a population is called
__wild
type___ .
3. A mutation of an enzyme-encoding gene that completely abolishes activity of the enzyme is
called a ____null______________ mutation.
4. Small, circular chromosomes in bacteria that often carry drug-resistance genes are called
__plasmid_______.
5. A
____auxotrophic /
mutant_ strain of Neurospora is one that requires a particular medium
additive which is not required by wildtype mold.
6. ____eukaryote__ are organisms whose cells have nuclei and membrane-bound structures.
7. ____replication________ is another term for DNA-dependent DNA synthesis.
8. Phenotypic variation within a species can be due to environmental effects, developmental
noise and ____genotype________________.
9.
___anaphase II__
is a stage of meiosis in which the sister chromatids separate to opposite
poles of the meiotic spindle.
10. If a functional protein is composed of more than one polypeptide chain, we refer to this
higher order of protein structure as its ___quaternary___ structure.
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