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Houston Community College (Town & Country)
Final Exam Study Guide
Dr. H. I. Chukwu
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What is genetic recombination.
What is the wild type
Cchromosome map.
The chromosomal basis of sex varies with the organism (human, grasshopper, chicken
and bees) ex. XY, XO, ZW
Sex linked genes are more likely to be inherited by males or females
What is Duchenne muscular dystrophy
What is a linked gene
What is Nondisjunction, at what stage of meiosis does this occurs?
Types of changes in chromosome structure.( deletion, duplication invertion, reciprocal
translocation
What is the relationship between aneuploid and Down syndrome
What are phages.
Transcription can be separated into three stages. What are the stages (initiation,
elongation, and termination)
What are mutations, point mutations
What are pathogens,, cuspid, host range, phage
Viruses can reproduce by two alternative mechanisms?
What is a retrovirus, Viroids
The first vaccine developed to fight smallpox
Classification of viruses
Characteristics of virus
What is an obligate parasite?
What makes up the viral envelopes
What caused the horizontal transmission of plant viral diseases
What is R plasmid
What are conjugation, mutation, transduction
Why are linked genes inherited together?
Crossing over occur at what phase
What affects the frequency of crossing over between linked genes
What are the chromosomal system for determining sex in animals
Independent assortment is?
Syndrome, who are affected
What are deletion, disjunction, inversion, translocation, duplication?
What is a tetraploid?
DNA is made up of?
What type of bond holds DNA together?
Functions of DNA polymerase
Differences between DNA and RNA
Genetic recombination
What is The human genome project
What are examples of purines: pyrimidines
Effects chromosomal mutations