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A base deletion occurs in the regulator gene of the LAC operon. Describe how the operation of the LAC operon might be affected?
1961A single base exchange mutation occurs in the promoter of the TRP operon. How the operation of the HIS operon might be affected in two ways?
2256You want to select a bacterium that has obtained a genetic marker conferring resistance to tetracycline. How would you accomplish this?
1 2877If a fly has a diploid number of 12, how many chromosomes would there be in each cell at the end of telophase of mitosis?
3 9310Flower position, stem length, and seed shape were three traits that were studied by Mendel. Each is controlled by an independently assorting gene. If a plant that is heterozygous for all three traits was allowed to self- fertilize, what proportion of the offspring would be expected to show all three dominant phenotypes?
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Is Genetic engineering the best of solution?
What ethical dilemmas should be considered when genetic engineering is put into practice?
Why would farmers, doctors, and manufacturers be interested in Genetic Engineering?
Is Genetic Engineering worth the cost and effort?
In horses coat color is dependent upon genes as follows: A_B_ results in bay, aaB_ in black, A_bb in chestnut, aabb in liver. In addition, palimino is derived by Dd with chestnut. A palimono stallion (DdAAbb) is crossed with a palimino mare (DdAAbb). What percent of the offspring will be palimino?
cancer cells have their dna wound back wards, is that true?
What are the dangers of Genetically Engineered foods?
Can you name a few potential risks of Genetic Engineering?
How will you differentiate alleles of a gene in the double strand of DNA?
what is virgin sex?
Does unwinding DNA cause aging?
What is the importance of genetics?
Does a person diagnosed with turner syndrome have trouble hearing? please reply if you have this syndrome or know someone who does.
In hogs a gene that produces a white belt around the animal's body is dominant over its allele for a uniform body. Another independent dominant gene produces fusion of the hoof (syndactyly). Suppose a uniformly colored hog homozygous for syndactyly is mated with a normal footed hog homozygous for the belted character. What would be the phenotype of the F1? If the F1's interbreed, what would be the phenotypic ratio of the F2?
In mice colored coat is dominant to albinism. Sniffles, a male mouse with a colored coat is mated to Esmeralda, an alluring albino. The resulting litter of six young all had colored fur. The next time around Esmeralda was mated with Whiskers, who was the same color as Sniffles; some of this litter were white. a)What are the probable genotypes of Sniffles, Esmeralda, and Whiskers? b) If a male of the 1st litterwas mated to a colored female of the 2nd litter, what phenotypic ratio might be expected among the offspring? c)What would be the expected results if a male of the 1st litter was mated to an albino from the 2nd?
