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Normal Drosophila melanogaster individuals have 2n=8 chromosomes. (a) How many ways can these chromosomes be assorted into gametes? (b) How many different chromosome combinations are possible when crossing 2 unrelated flies? (c) How would the number of combinations of chromosomes compare to the number of possible genotypes represented in this cross? Indicate whether you expect there to be fewer, equal numbers or more genotypic combinations. Briefly, explain your rationale for (a), (b) and (c) .
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In Drosophila melanogaster, the white gene (w) is encoded on the X chromosome while the curly gene (Cy) can be found on chromosome 2. At the white locus, w+ (red eyes) is dominant over w (white eyes) while Cy (curly wings) is dominant over Cy+ (normal wings). If pure breeding females with white eyes and normal wings are crossed with red eyed males with curly wings. (a) What are the possible genotypes in the parental generation? (b) what genotypes and phenotypes are expected from this cross? Explain you reasoning briefly in (a) and (b).
Many bacteria are anaerobic. If bacterium were to produce the same amount of ATP within a minute as a cell extracted from your skeletal muscle, what would that bacterium have to do?
What type of electrode would they need to use (express material and design)? Provide a simplified schematic (circuit model of the electrode) described in the notes. Also discuss at least two benefits of an exoskeleton as well as how arthropod grows ..
A reaction has been developed to be carried out in the 5 ml total volume. It need a final glycine concentration of 20 µM. If the protocol enables 200µl for glycine addition, state the amount of the concentration would you make up the stock solutio..
Joe Average has just been frightened by a very loud noise as he was taking a very difficult physiology exam. In response, his adrenal glands have released a large amount of adrenaline into his circulation. Which of the effects would you expect to ..
Throughout pairing homologous regions associate with one another. As a result individual heterozygous for an inversion will form a structure known as an inversion loop. What is consequence of a crossover within this inverted region.
Should society subject pregnant women to dietary restrictions during pregnancy to protect the fetus from the effect of defective genes they carry.
Describing how the brain transmits the message to muscles. Trace impulse, list the steps in as much detail as possible, from which your brain transmits the message to the suitable muscles in order to step up one step.
Which of following statements is NOT true about the chemical bonds? Both kinds of the chemical bonds involve electrons in the outer shell. Covalent bonds share the electrons between two atoms.
The term "hominid" has traditionally been used to refer to species in the line the leads to modern humans after the divergence between that line and the line that leads to modern chimpanzees.
There are a number of natural types of DNA. One is animal DNA, one plant DNA, another bacterial DNA.What are these two kinds of DNA.
usually for physical education disciplines, students are required to give presentation regarding a single protein that is related to sports or diseases.
Why does fluoracetate cause citrate to build up in the Citric Acid Cycle.
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