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Which of the following describes allopatric speciation?
Answer
A population of squirrels is separated by the Grand Canyon. Through time the two subpopulations evolve into two distinct species.
Two populations of fruit flies are unable to mate because their reproductive organs do not properly fit together.
A tetraploid plant species evolves from a diploid ancestor. Both the tetraploid and diploid species are found in the same habitat.
One population breeds in the fall; another population breeds in the spring.
A male horse and a female donkey mate, producing a sterile ginny
Irregularly a person is discovered to have one blue eye and one brown eye. This is caused by the creation of a new mutation. In which cell did the mutation occur?
In forensic analysis using STR systems, up to 16 different loci can be tested in a single PCR reaction. Why is it important for forensic analysis that each locus being tested is present on a different chromosome? Ideas are justified.
Assume 2-students are doing a poster on the Amazon Water Lily for a class project and have compiled research to determine if it is in actuality a land plant or an algae. Discuss difference between monoecy and dioecy
A species has a diploid number of 2n. Meiosis I fails during spermatogenesis, cytoplasm does not divide and only one daughter cell is manufactured. The resulting sperm fertilizes a normal ovum.
Explain the interaction of calcium with other proteins and how this alternate control system affects the rate and duration of smooth muscle contraction.
Type in the correct number for each question in the text box provided. Consider the synthesis of one molecule of glucose. How many molecules of ATP are required? Answer How many molecules of NADPH are required? Answer How many turns of the Calvin ..
Write about the pathophysiology of MSG to normal physiological processes and concepts. The integrating salient concepts such as human organ body system function and homeostasis with MSG pathology.
You inoculate an unknown strain of bacteria into a phenol red lactose broth and a nitrate broth. After incubation, you see significant bubbles in the Durham tubes of both tests.
Assume you have 5mL of cells you need to treat with Hydrogen Peroxide, such that the final concentration of Hydrogen Peroxide is 5uM. How much of a 10mM stock solution of Hydrogen Peroxide would you add to your cells?
Consider the use of the Punnett square or your knowledge of meiosis. Explain how the evidence DNA profile and knowing the DNA profile of an offspring can lead to a parent as a suspect. Discuss difference between a genotype and a phenotype.
After WWII, DDT was widely used to kill mosquitoes. Spraying DDT was effective for some years, but despite continuous spraying at ever increasing concentrations of DDT,
Venison that comes from a deer that is shot before it can run is more tender and not as strongly flavored as venison from a deer that has run to exhaustion. Why?
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