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in Kansas, a farmer is growing a variety of wheat called TK138. He calculates the narrow sense heritability for yiels (the amount of wheat produced per acre) and finds that the heritability yield for TK138 is 0.95. the next year, he vists a farm in Poland and observes that another variety of wheat, UG344, growing there has only about 40 percent as much yield as the TK138 grown in his farm in Kansas. Since he found the heritability of yield in his wheat to be very high, he concludes that the TK138 wheat is genetically superiror to the UG334 wheat, and he tells the polish farmer that they can increase their yield by using TK138. Is his conculsion correct? Why or why not?
Suppose that plate tectonics and continental drift is in fact occurring, as explained by the convection current hypothesis, what is likely true with regards to relative ages of Atlantic and Pacific oceans?
What would be the amount of DNA in one of the grasshopper daughter cells right after cytokinesis? And Why.
The water appears to be contaminated with radioactive waste. This has resulted in a highly accelerated mutation rate of 1/100 "A" alleles mutating to an "a" allele every generation.
create a scenerio in which the population evolves to an intermediate allele frequency, in other words neither allele is lost from the population. Test your scenerio with different initial allele frequencies to see if it produces consistent results..
Elucidate where they came from with an easy diagram. The 10 with normal wings also have mutant green eyes and mutant hairy legs.
The symptoms of toxoplasmosis often resemble those in infectious mononucleosis, with swelling of the lymph nodes, anorexia and a high lymphocyte count.
Under what conditions would attenuation take place? c) Under what conditions would transcription continue through to the end of the operon?
Homologous chromosomes separate and are pulled to opposite sides of the cell during what stage of cell division? (Read each option carefully.)
Your subjects rides on the cycle ergometer at 60 rev/min (6 m/rev) and a load of 30 N for 15 minutes. What is her power output? What is the total amount of work she has done?
Explain how adult stem cells can sense and respond to the nutritional status of an animal. Explain what kind of cues an adult stem cell can respond to, and where these cues are coming from.
Hematopoietic stem cells cultured in the presence of which receptor differentiate into T cells rather than B cells?
A patient has been brought to you who is thought to have a mutation of the DVL1 gene, a human homologue of the Drosophila Disheveled gene.
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