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1. A cross is made between a haploid strain of Neurospora of genotype nic+ adand another haploid strain of nic ad+. From this cross, a total of 1000 linear asci are isolated and characterized as in the following table. Map the ad and nic loci in relation to centromeres and to each other.
nic+ ad
nic+ ad+
nic ad
nic ad+
808
1
90
5
2. The X-linked orange gene has two alleles, O and o. These two are codominant, in that homozygous or hemizygous cats for o have the normal black pigment in their fur, while homozygotes or hemizygotes for Ohave the black pigment converted to orange. Heterozygotes are mosaics with patches of orange and black (known as tortie or calico).A mating between an orange female cat and a black male cat produces a male kitten who is a mosaic of black and orange fur. In one sentence, explain how this happened.
A middle-aged man comes in since he has noticed multiple small, blood-red, raised lesions over his anterior chest and abdomen for past numerous months. They are not painful and he has not known about any bleeding or bruising. He is concerned this mig..
What is the possibility that their first child will have attached earlobes. which among the conditions or substances do ALL archaeans need for survival and reproduction.
Calculate the separation between the lenses and the magnifying power of the microscope?
Reiterate this process of progressively adding the cards over a 15-minute period. Specify if you are able to detect an increasingly dim light longer you spent in dark?
A cell whose cytoplasm has a concentration of 0.02 molar glucose is placed in a test tube of water containing 0.02 molar glucose. Assume that glucose is not actively transported into the cell, which terms describes the tonicity of an external solutio..
how the specificity of each codon could be determined.
What was this experiment and why was it so significant? Diagram and briefly describe the steps of the process. How and why has recombinant DNA technology impacted biotechnology.
Components of the endomembrane system can become bigger as demands on their function increase. Identify which parts of endomembrane system would be bigger in
Drag the labels onto the graph to indicate which presynaptic neuron produced each change in the axon hillock's membrane potential. Assume that the same number of ligand-gated ion channels opens at each synapse.
Do you really think the age of the man is main in determining the chance of chromosomal abnormalities? Why or why not with appropriate reasons. Describe a single meiosis event.
A strain of Neurospora with the genotype.
What are the three main ions that play a role in the equilibrium membrane potential. What ion drives the potential, and why. What kinds of functions might these shared genes have.
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