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Describe what is covered in the US Patent 5654155 and justified whether companies should be permitted to patent gene sequences.
Identify a gene, other than BRCA1 (breast cancer 1, early onset), that increases the risk of developing breast cancer when mutant. In addition, describe the process or mechanism that the mutation of your chosen gene disrupts.
Explain how alternate splicing can complicate the study of mutations in the BRCA1. Also, compare and describe hereditary germline cancers such as those caused by BRCA1 mutations and cancers that result from two somatic mutations in the same gene in the same cell.
Explain how mutations in the same gene can cause different types of cancers.
Describe an experiment to test whether Gene X is sufficient. If you concluded that Gene X is sufficient, describe an experiment to test whether Gene X is necessary.
Why is it an advantage to the cell that enzymes that generate as well as break down hydrogen peroxide (catalase) are compartmentalized within the membrane-bound peroxisome?
Describe an egg cell,a sperm cell,and a somatic cellin these terms:diploid,haploid,male,female. In your own words. Explain the origin of multicellular life. Explain how cleavage and blastulation contribute to thedevelopment of a multicellular animal..
suppose a single gene controls soybean seed color and that you already know the nucleotide sequence of the wild type allele.
there are five types of gene duplication including partial/internal, complete gene duplucation, partical chromosomal duplication, complete chromosomal, and polyploidy/genome duplication. Which one of these does NOT require different amounts of gen..
Consider a population of 600 individuals, at Harfy Weinberg equilibrium. The two alleles in the population, B and b, cause two distinct phenotypes. Individuals who are BB or Bb are brown whereas individuals who are bb are yellow.
Suppose that 2-pigments, red and blue, mix to give the normal wild-type purple color of petunia petals. Separate biochemical pathways synthesize the two pigments.
Assume that the genes are located on separate chromosomes. An F1 is produces by crossing the original mutant A with the original mutant B. This F1 is testcrossed: What propotion of testcross progeny will have no trichomes?
q1. a 27 year old man who works outdoors notices the growth on the skin that includes a darkly pigmented spot
Chickens have ZZ-ZW sex determination. The bar-feathered phenotype in chickens results form a Z-linked allele that is dominant over the allele for nonbar feathers. If a barred female is crossed with a non-barred male, what will be the phenotypes o..
Finals are over and you go out with friends to celebrate. One of your friends has an outdoor hot tub, so everyone gathers there for a warm soak and some beer.
Compare and contrast the evolutionary ideas of gradulism and punctuated equilibrium and name thier originators. Explain Mendel's law of segregation and independent assortment byconnecting them to the process of mitosis.
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