In watermelons, bitter fruit (B) is dominant over sweet fruit (b), and yellow spots (S) are dominant over no spots (s). The genes for these two characteristics assort independently. A homozygous plant that has bitter fruit and yellow spots is crossed with a homozygous plant that has sweet fruit and no spots. If an F1 plant is backcrossed with the bitter, yellow spotted parent, what phenotypes and proportions are expected in the offspring?

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#Question id: 4350

#Unit 3. Fundamental Processes

Portions of the DNA sequences of normal and mutant b-globin genes are shown. The most plausible explanation for why the indicated mutation (changing an A to a G) results in the disease b-thalassemia is that the mutation

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#Question id: 15407

#Unit 8. Inheritance Biology

The end result of F factor mediated conjugation:

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#Question id: 840

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following  type of chaperon that are involved in functions to unfold proteins in preparation for their transport through membranes and to subsequently refold them after transport?

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#Question id: 1635

#Unit 4. Cell Communication and Cell Signaling

What is immunological unresponsiveness to self-antigens called?

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#Question id: 2357

#Unit 2. Cellular Organization

The semi-fluid portion of the nucleus is called the ____.