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A strain of rhesus monkeys is brachyphalangic (that is, it hasvery short fingers). A monkey breeder wanted to create atrue-breeding strain of brachyphalangic monkeys. To do this, hecrossed brachyphalangic monkeys with one another for severalgenerations. Frustratingly, his crosses always produced mixtures ofbrachyphalangic and normal-finger offspring. Combining the resultsof all the matings, he observed a total of 162 brachyphalangicoffspring and 79 normal-finger offspring. Assuming that fingerlength is determined by a single gene with two alleles, how can youexplain these results? In your answer, use correct notation of yourown choice to indicate the genotypes of the brachyphalangic parentsand their brachyphalangic and normal-finger offspring. Also givethe expected phenotype for heterozygotes and both kinds of homozygote.
A true breeding black goose from Nova Scotia is crossed with true-breeding black goose from Japan, manufacturing F1 offspring that are all gray.
With the help of the Nernst equation to calculate the equilibrium potential for these three ions.
Discuss what biodiversity means and how it has been affected by natural and man-made pathways.
220 colonies were counted after 24 hour incubation. How many colony-forming units were present per ml in the original culture?
Explain how plants can regulate temperature and water. Give examples of at least 6 different adaptations and explain the role of each in temperature and/or water regulation.
What is the probability that their child will be stricken with the disease? show the probability with a punnett square.
Describe how you would sample two different jars in a lab experiment. For example, how would you sample a jar with extra fertilizer versus one with extra organic matter
Describe the process of muscle contraction and how a neuromuscular blocking agent, such as metubine, would interfere with muscle contraction.
assume the population is in hardy weinberg equilibrium.
125 progeny were produced from the following cross: aaBbCcDd x AaBbccDD. Assume that all the genes are unlinked, and that the uppercase letters represent dominant alleles.
After reading the article titled, "Epulopiscium fishelsoni, Big Bug Baffles Biologists!", use your knowledge about the limits to cell size and speculate as to why these cells can grow so large.
An individual heterozygous for eye color, skin color, and number of eyes mates with an individual who is homozygous recessive for all three characters; what would be the expected phenotypic ratio of their offspring? [Hint: B = black eyes, b = oran..
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