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A skin cell from a human female undergoes mitosis. For an unknown reason, the centromere of one of the two number 4 chromosomes fails to divide. Describe the resultant chromosome number of the two daughter cells. Indicate the genetic make-up each cell. Suppose this happened to a single cell in […]

Assignment Analogies are often effective strategies for communicating complex materials and concepts. In BCHM 100 we have already encountered at least two analogies, DNA as a “blueprint for life” and as a “recipe for life”. Although we argued in class that the recipe analogy is superior and that the blueprint […]

Question: In the fungus Neurospora (a haploid), the td+ allele is needed for the cells to build the amino acid tryptophan (trp). The mutant allele td- results in an inability of the fungus to make its own trp, so that growth can occur only if tryptophan is supplied in the medium. […]

Q1. Select a chromosomal disorder from the March of Dimes Foundation Web site. o Post your response to the following: • Identify the disorder and explain how it is expressed in a person and inherited. • If you were the parent of a child with this disorder, with which question […]