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In interrupted mating experiments using an Hfr strain in E. coli, you find that two genes, bio and arg, are transferred at about the same time. A third gene, pab is transferred slightly later. In order to determine the gene order, you mate an Hfr strain that is pab+ bio+ arg+ with an F- strain that is pab- bio- arg-, select 3000 recombinant pab+ clones from the recipient strain, and test them for the presence of arg+ and bio+. You obtain the following results:pab+ bio+ arg+: 2607 clones pab+ bio- arg+: 61 clonespab+ bio+ arg-: 2 clones pab+ bio- arg-: 330 clonesWhat is the order of the three genes?a bio-- arg - pabb) arb-- bio -- pabc) arg -- pab -- bio
Red flowers are dominant over white flowers. The flower color gene is represented with R/r. Large leafs are dominant over small leaves. The leaf size gene is represented L/l.
Discuss what determines the shape of fungal spores that are ejected into the air? Develop an hypothesis and suggest an experiment
The global community is plagued by increasing incidence of lung cancer, colorectal cancer, breast and pancreatic cancers, prostate cancer, non Hodgkin lymphoma, liver, ovarian and esophageal cancers.
Suppose that the incomplete dominance for each unlinked locus, how many different phenotypes will be seen in a progeny of individuals with the following genotypes: AA Bb CC Dd ee Ff Gg x Aa Bb CC Dd EE Ff Gg?
Assume you have isolated a new recessive tryptophan-requiring mutation in a MAT? yeast strain. You cross this mutant to a MAT? trp1 trp3 strain.
A differs from that of the other four species because of simple misalignment, then what should the computer software find when it compares the series of Species A to those of the other four species.
The best characterization of apoptosis is: the unwanted, unexpected death of a cell. cell death is a normal consequence of a cell living long enough to eventually be killed by accident.
Explain a series of experiments you would undertake to find if your favourite brand of the peanut butter is carcinogenic.
As we have discussed in class, individual phylogenetic methods are best suited to particular kinds of troubles. For each of the following data sets, assess the suitability of maximum parsimony to that data set.
Describe why people confined to wheelchairs as of paralyzed lower limbs have thin, weak bones in their thighs and legs.
Assume that for a trait that is determined through a set of two alleles, the observed frequency for homozygous dominant, homozygous recessive, and heterozygous are 0.64.
Chose to do an informational interview, start thinking of your topic and interview questions now. See the course project description for more information on this project component.
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