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A breeder wishes to estimate narrow sense heritability for adult weight in a population of Turkeys. The mean weight of the parental population was 18 pounds. Turkeys with a mean weight of 26 pounds were used to produce the next generation, which had a mean weight of 20 pounds. What is the narrow-sense heritability for these Turkeys. Would this estimate be accurate if offspring and parents received a different diet? Explain.
Diversity in tropical regions is generally greater than at high latitudes. Explain two different hypotheses that propose the mechanism for this pattern that remains a biological mystery
A woman with keratosis, a skin condition caused by a rare dominant allele, marries a normal man, and they have two children. What is the probability that both children are normal?
A poll is made of four allozyme loci in a particular population. The alleles are labeled alphabetically according to the mobility of their products in electrophoresis.
Describe how the lymphatic system can hinder the spread of cancer. Describe how the lymphatic system may actually aid in the spread of cancer.
For a given reaction, G = -4 kcal/mole and the energy of activation for the uncatalyzed reaction = 5 kcal/mole. You add an enzyme, after which the activation energy falls to 3 kcal/mole. What is the energy of activation for the reverse reaction in..
Researchers are developing blood substitutes to meet the demand for emergency transfusions. What would be the effect of artificial blood in which binding of O2 is not altered by acidity?
For each of the three molecules water, oxygen, and carbon dioxide describe the context of its production or consumption in photosynthesis or respiration.
Which pair will have been likely to agree that strata such as those depicted here were deposited gradually over long periods of time by subtle mechanisms that are still at work?
Suppose archaeologists discover human skeletal remains in Ethiopia. Examination of the bones suggests that the remains represent four types of individuals. Two of the skeletons have bone densities that are 30 percent less than those of the other two ..
Which term best describes the alpha-globin gene in all modern icefish species, as well as the myoglobin gene in several modern icefish species? chimeric gene analogous gene pseudogene functional gene.
What chemical property of the leucine residues thought to form tight ring that prevents the passage of ions within the channel of the acetylcoline receptor suits them for this role.
difference between Chlamydomonas cells and Volvox cells.
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