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bio lec 3 quiz

QuestionAnswer
Current research in gene therapy is focused on the use of what type of vector to deliver healthy genes to individuals with genetic diseases? Viruses
According to Mendel's Second Law of Independent Assortment, the contribution of an allele to an offspring is random. True or False? True
This phenomenon results in the survival and reproduction of individuals within a population that are best adapted to their habitat Natural selection
Bt corn is a genetically modified plant that is resistant to the effect of the corn borer (a worm) because it now contains genes from a _________ Bacterium
Mendel developed true-breeding varieties that, when cross via self-fertilization, could only produce offspring that were identical to the parent. True or False? True
The process known as Central Dogma is exhibited by all living things. True or False? True
Studying the human genome can help scientists develop cures for diseases like cancer. True or False? True
Small, circular pieces of DNA in bacteria that are separate from the main chromosome are called? Plasmids
According to Mendel's First Law of Segregation, there are alternate forms of genes. True or False? True
Through the process of transcription, the codon CGA on a segment of DNA would be transcribed onto a molecule of mRNA as? GCU
Sickle cell anemia is an example of? Pleiotropy
Human blood type is an example of? Codominance
Skin color is an example of? Polygenic inheritance
Red-green color blindness is an example of? Sex-lined traits
A red flowered plant crossed with a white flowered plan produces a pink flowered plant is an example of? Incomplete dominance
Which of the following statements DOES NOT correctly describe the replication of a DNA molecule? DNA replication only occurs during Meiosis
What is the product of translation? Protein
The subunits of nucleic acids like DNA and RNA are called? Nucleotides
What is the definition of a species? A group of individuals that can be interbreed
Reproductive isolation due to diversifying selection within a population (no geographical barriers are present) Sympatric speciation
The population is split into two large, separate populations by a geographical barrier Allopatric speciation
The founder effect, a few individuals are separated from the main population and colonize a new habitat Peripatric speciation
The population expands its range and encounters a new habitat, causing limited gene exchange between individuals Parapatric speciation
A young couple wants a kid. Mother has sickle cell anemia (HbS/HbS) and father does not (HbA/HbA). The genes for sickle cell anemia is recessive. Using the sum rule, what is the probability the child will have sickle cell anemia? 100%
Created by: scarangelo
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