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We now know that the gene for flower color and the gene for seed color are both on chromosome 1 of the pea plants once studied by Mendel. According to Mendel's results, flower color and seed color undergo independent assortment. Which of the following explanations is most likely?Answer
a. During a round of meiosis, the female part of a flower failed to separate a homologous pair forcing the seed color gene to pair up with the flower color gene.
b. These genes are so far apart on chromosome 1 that they undergo independent assortment.
c. Nonhomologous chromosomes containing the two genes underwent crossing over to create a new "hybrid" chromosome containing both genes.
d. Between the time that Mendel studied peas and modern times, one of the genes was translocated onto chromosome 1 so that in modern times two genes that were once on separate chromosomes are now linked.
Explain the possible fates of DNA that in brought into the recipient cell during generalized transduction.
If you added 7.5g of NaCl to 1L of Mannitol Salt agar instead of what the recipe calls for (lab manual) would the media still be differential? Would it still be selective? Explain.
Reduction often is referred to as the addition of hydrogens to a compound. It is more chemically correct to refer to reduction as the addition of electrons. Provide an example of a reduction reaction performed by cells in which hydrogen is not add..
Plasma membrane with surface area of 5000 µm2; there are 106 phospholipid molecules per µm2 in each leaflet of the membrane; there are 3000 molecules of flippase enzyme associated with plasma membrane.
Based on the data, propose a hypothetical biochemical explanation for the colors of the flowers in the F2 progeny. Again, explain your reasoning.
In Drosophila, allelic series of gene w+ determine the color of an eye. w+ determines red color (wild type), we determines eosin color and wa - apricot color. The allelic realtions are w+ > we > wa > w.
Suppose that you have just discovered a new pathogen whose genome contains 29.1 percent A, 22.3% T, 25.8% C, and 22.8% G based on the relative molar concentrations of each nitrogenous base.
You started with a stock solution and created a series of 4 solutions. Say the concentration of your stock solution is 350 g/L. What is the concentration of each of the solutions you created ?
What would be the effect on ATP production of adding a substance like 2,4-dinitrophenol(alprotonophore) that makes the mitochondrial membrane leaky to protons?
In many countries, conservationists are trying to design national park systems so that "islands" of natural area (the big parks) are connected by thin "corridors" of undisturbed habitat. The idea is that this arrangement will allow animals and plants..
What is the dissimilarity between germline mutations, and somatic mutations which can be transferred and which is more severe also which sequence in these letters could be set up to because point mutation that would not affect a person severely seque..
What is the name for undifferentiated cells that are both capable of self-renewal (production of more cells like themselves) and multipotent, that is capable of differentiating into two or more mature cell types?
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