Questions from Genetics


Q: What is mosaicism? How is it produced?

What is mosaicism? How is it produced?

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Q: Explain how polytene chromosomes of Drosophila are produced and how they form

Explain how polytene chromosomes of Drosophila are produced and how they form a six-armed structure.

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Q: Describe some of the advantages of polyploid plants. What are the

Describe some of the advantages of polyploid plants. What are the consequences of having an odd number of chromosome sets?

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Q: How does a chromosomal duplication occur?

How does a chromosomal duplication occur?

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Q: While conducting field studies on a chain of islands, you decide

While conducting field studies on a chain of islands, you decide to karyotype two phenotypically identical groups of turtles, which are found on different islands. The turtles on one island have 24 ch...

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Q: A diploid fruit fly has eight chromosomes. Which of the following

A diploid fruit fly has eight chromosomes. Which of the following terms should not be used to describe a fruit fly with four sets of chromosomes? A. Polyploid B. Aneuploid C. Euploid D. Tetraploid...

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Q: Can you think of another example of a model organism?

Can you think of another example of a model organism?

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Q: Which of the following terms should not be used to describe a

Which of the following terms should not be used to describe a human with three copies of chromosome 12? A. Polyploid B. Triploid C. Aneuploid D. Euploid E. 2n + 1 F. Trisomy 12

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Q: The kidney bean plant, Phaseolus vulgaris, is a diploid species

The kidney bean plant, Phaseolus vulgaris, is a diploid species containing a total of 22 chromosomes in somatic cells. How many possible types of trisomic individuals could be produced in this species...

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Q: The karyotype of a young girl who is affected with familial Down

The karyotype of a young girl who is affected with familial Down syndrome revealed a total of 46 chromosomes. Her older brother, however, who is phenotypically unaffected, actually had 45 chromosomes....

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