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Q1. A dominant sex-linked gene B produces white bars on black chickens, as seen in Barred Plymouth Rock breed. A clutch of chicks has equal numbers of black and barred chicks. (Sex is determined by the Z-W system in birds: ZZ are males, ZW are females.)
a.) If only females are found to be black, what were genotypes of the parents?
b.) If males and females are equally represented in the black and barred chick; what were genotypes of the parents?
Q2. You have just created the world's first genomic library from an African giraffe. You wish to isolate the gene encoding for muscle protein, myosin, from the genomic library of the giraffe. No gene from this animal has been previously isolated as well as amino acid sequences are available in the data base. Using this information, what two strategies can you use to isolate the giraffe's gene from its genomic library?
You are studying 2 wetlands in eastern Ohio - one that has become highly invaded by purple loosestrife. These wetlands typically contain over one hundred species.
What is the major component of cell walls in bacteria? How does this differ from plants? What are two sugar components and 3 amino acid components.
How do the size and shape of a human epithelial cells differfrom those of the Elodea and onion cells, Why do Elodea and onion cells have more consistent shapes than human epithelial cells
For a particular genetic locus in a population, the frequency of the recessive allele a is 0.4% and the frequency of the dominant allele A is 0.6%.
suppose a broth has 436 million bacteria per milliliter. A serial dilution is made using three bottles of 99 milliliters each. 1 mL is transferred from the sample to the first bottle; 1 mL is transferred from the first bottle to the second; and th..
You've discovered a new life form from a differentplanet, and you're studying how this organism translates itsgenetic code into proteins. This organism has 14 types of aminoacids, and 4 nucleotid
A student, feeling it is immoral to eat plants or animals, decides to eat only artificial food. He places himself on a diet consisting of only D-Amino Acids and L-sugars.
Provide an explanation for the high absorbance reading in the 80-degree control tube in the Temperature assay. Discuss the effect of high temperature dependence as potential sources of error in the measure of enzymatic activity.
we know that natural selection will not result in evolution if a trait is not heritable. However, it is also possible that a trait with heritable variation will not show an evolutionary response under natural selection.
Mobile pieces of DNA - transposable elements - that insert themselves into chromosomes and accumulate during evolution make up more than 40% of the human genome. Element of four types - long interspersed elements (LINEs), short interspersed elemen..
What is the chemical difference between the groups joined byDNA polymerase and DNA ligase?
what proportion of men would be expected to be color blind.
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