Which statement is correct regarding ratio of half-life of radioactive material to its mean life?

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#Question id: 15393

#Unit 5. Developmental Biology

First inducers (in early gastrula stages) of the lens may be:

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#Question id: 15394

#Unit 5. Developmental Biology

The elongation and curvature of the lens fibers control by:

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#Question id: 15395

#Unit 5. Developmental Biology

Which of the following promote the synthesis of the Paired box 6 (Pax6) transcription factor in the anterior ectoderm?

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#Question id: 15405

#Unit 8. Inheritance Biology

You set up a mapping cross involving two genes in Aspergillus and determine the following percentages of tetrad types: parental ditype 51%, nonparental ditype 49%. What can you say about your genes?

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#Question id: 15406

#Unit 8. Inheritance Biology

Which method of gene transfer involves direct contact between the bacteria?

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#Question id: 15407

#Unit 8. Inheritance Biology

The end result of F factor mediated conjugation: