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Genetics From Genes to Genomes Study Set 1

Biology

Quiz 19 :

The Genetic Analysis of Development

Quiz 19 :

The Genetic Analysis of Development

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In primary mutant screens,
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A

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Which of the following is the least important characteristic that geneticists look for in a model organism?
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D

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The presence of a homeodomain in a protein suggests what about its function?
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D

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In Drosophila, two maternal transcripts that are distributed evenly throughout the oocyte prior to fertilization are
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The observation that ________ provides evidence that all living forms are related.
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A temperature-sensitive (ts)mutation is often due to a ________ mutation that affects protein folding or activity.
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Which of the choices gives the correct sequence of early embryonic development in Drosophila?
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Which statement best describes the limitations of using of humans in genetic studies of developmental biology?
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Nurse cells surround Drosophila oocytes and produce maternal mRNA and proteins that are deposited into the egg.Which of the following products would be produced by nurse cells?
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What is the most significant advantage of using RNAi to study development?
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Maternal effect mutations can be identified when
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The Aniridia gene in humans is involved in eye formation.Although eye development is very different in flies, this gene is highly conserved.What is the Drosophila homolog of Aniridia?
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A researcher performs RNAi against a gene that is required for viability in C.elegans embryos and 70% of the embryos die during development.Some of the embryos may have survived because
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A molecule whose concentration determines the developmental fate of a cell is called
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What is a major advantage of using a modifier screen as opposed to a primary screen?
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How do genetic mosaics help determine the focus of action of a gene?
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How would you best follow the timing of expression of a given protein during development in a live animal?
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A homeodomain is a region within a protein that
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Which of the following is a zygotic gap gene in Drosophila?
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RNAi
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