Mendel crossed yellow-seeded and green-seeded pea plants and then allowed the offspring to self-pollinate to produce an F2 generation. The results were as follows: 6,022 yellow and 2,001 green. Which of the following statements correctly describes the relationship of the allele for green seeds to the allele for yellow seeds?

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#Question id: 15180

#Section 6: Plant, Animal and Microbial Biotechnology

A sterilization procedure known as autoclaving can kill bacteria except

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#Question id: 4152

#Section 3: Genetics, Cellular and Molecular Biology

The pathway for polypeptides exported from E. coli includes the following steps, which occur in what order for correct export?

1.  A chaperone, SecA, binds to the polypeptide.

2.  A chaperone, SecB, binds to the polypeptide.

3.  ATP is hydrolyzed by Sec A.

4.  SecA pushes 20 amino acids of the polypeptide into the translocation complex.

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#Question id: 4307

#Section 3: Genetics, Cellular and Molecular Biology

When taken up by a cell, which of the following molecules binds to a repressor so that the repressor no longer binds to the operator?

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#Question id: 3536

#Section 3: Genetics, Cellular and Molecular Biology

What is the probability that selfing an F1 plant from Mendel dihybrid cross ( RrYy X RrYy) will produce an offspring with an rrYY genotype?

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#Question id: 18940

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

which of the following permits the amplification of chosen segments of DNA or RNA for detailed study or cloning.