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Two plant species interbreed and produce hybrid offspring. These offspring are unable to reproduce with either of the parent species, but they are fertile when breeding with each other. which of the following can you infer from this information?
1.) allopatric speciation has occurred as a result of interrupted gene flow.
2.) hybrid zones fused and have caused reproductive isolation.
3.) sexual selection has formed a new species due to prezygotic barriers.
4.) sympatric speciation has resulted in the formation of an allopolyploid species.
Serial dilutions are not only for bacteria. They can be used for any reagent. Assume that in an experiment, it is necessary to add 0.1 microgram of DNA to a tube.
In the 19th century the prevailing theory of inheritance was the BLENDING THEORY. According to theory of inheritance, crosses between individuals of differing phenotypes would produce F1 progeny.
How to species respond to climate change? How does [insert some aspect of population demographics] influence change in population growth?
A wild-type polypeptideconsists of 27 amino acids. Many mutants have been discovered that produce versions of this polypeptide that are longer than normal.These mutations are each due to a substitution of a singlebase.
What is a structural feature of the plasma membrane of the motor neuron that regulates the permeability of the plasma membrane to sodium and potassium ions during an action potential?
Name several of the key investigators who made discoveries important to the development of bacterial genetics and describe the significance of each investigator's work.
Assume you are a genetic counselor and a couple seeks genetic counseling from you. Both the man and woman are phenotypically normal.
Read Core Questions on Drinking-Water and Sanitation for Household Surveys. In a Word document, create a form using the questions listed in the report. Survey at least 10 people using the form you created.
Yeast grows as a haploid cell. In the wild type cells in presence of O2, the pH of mitochondrial matrix is 8, however in cells along with this mutant S gene, the pH is 7. Explain all these results.
Normally multicopy plasmids do not integrate into chromosome even when they contain considerable DNA sequence homology for recombination.
Cellular Respiration Assignment-What role does oxygen play in aerobic respiration
As the US is one of the largest contributors to atmospheric carbon emissions, what specific policies might the US enact to reduce its impact on global climate change?
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