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You have discovered that a single co-dominant gene controls the date when monarch butterflies break diapause (=become reproductively active) in Mexico. You were extremely busy this spring, and extensively sampled one overwintering site to find that 1600 monarchs broke diapause in early February, 400 broke diapause in late February, and 700 broke diapause in early March. You know there are two alleles at this locus, and that heterozygotes break diapause in late February. Showing your work, answer the following questions:
what are epigenetic marks? which are associated with heterochromatin? How are epigenetic marks thought to be interpreted into chromatin structure?
A snapdragon with pink petals, black anthers and long stems was allowed to self-fertilize. From the resulting seeds, 650 adult plants were obtained.
What are the differences between the effects of excessively high, cool (close to 0 C) and freezing temperatures on a living organism, as compared with an enzyme? What is the significance of the differences?
Determine what physical differences did the mutant worm? What differences in behavior or movement did you identify the same characteristics of the mutant C. elegans?
Why would some biologists refer to single-celled organisms such as Amoeba and Paramecium as "acellular" rather than "unicellular"?
Assume a population in Hardy-Weinberg equilibrium for a charactertrait with these genotypic frequencies: AA = 0.25,Aa = 0.50, and aa = 0.25. If you remove all thehomozygous dominants and allow the remaining population toreproduce (again under Hardy-W..
1. according to ehrlich 2002 and michael 2002 how does human nature contradict the conservation of natural systems?
Compare and contrast how speciation is determined at the population, genetic and epigeneic levels? What is a significant contribution of drosophila melanogaster experiment into genetics?
Title: Animal and Plant Cell Structures, Instructions: Your lab report will consist of the completed tables. Label each structure of the plant and animal cell with its description and function in the provided tables
Bundles of axons from ganglion cells makeup the ______.When light waves enter the eye, theyfirst pass through the _________________. Cells that are triggered by light, vibrations, sounds,touch, or chemical substances are called ________.
In the f2 generation, how many genotypic classes could be generated from a dihybrid cross of two heterozygotes in which the genes involved show complete dominance?
explain short-chain or long chain fatty acids. When bacteria growing at 20 degree celsius are warmed to 30 degree celsius, are they more likely to synthesize membrane lipids with.
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