If a homozygous plant with red peppers is crossed with a homozygous plant with green peppers, all the F1 plants have red peppers. When the F1 are crossed with one another, the F2 are in a ratio of 9 red : 3 brown : 3 yellow : 1 green  due to

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#Question id: 15700

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

In a sequence database of a given size, which of the following expressions is likely to retrieve more matches (X means any amino acid; any of the residues in square brackets can occupy that position)?

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#Question id: 1570

#Section 2: General Biology

Which cells and which signaling molecules are responsible for initiating an inflammatory response?

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#Question id: 1174

#Section 3: Genetics, Cellular and Molecular Biology

Binding of erythropoietin to its extracellular receptor engages which of the following signaling pathways?

a. JAK/STAT                                                  b. Ras/MAP kinase

c. PI-3 kinase                                                  d. TGF-β

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#Question id: 3250

#Section 3: Genetics, Cellular and Molecular Biology

Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1, A1A2 and A2A2 genotype is 0.01, 0.18 and 0.81) Which of the following statement is correct?

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#Question id: 14879

#Section 1: Engineering Mathematics