Homework Answers
Answer
The given karyotype is of 8n=56 chromosomes.because
This karyoptype is showing each chromosome having 8 copies.
The basic chromosome number is n= 7.
For example there are 8 acrocentric chromosomes are present in given karyotype.
Also there is 8 copies of exact metacentric chromosome.
So we can say that there are 8 set of basic 7 chrmosome.
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Examine the fluorescent karyotype image below. If this cell belonged to a specimen in the Triticeae...
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C) How many chromatids are present in this karyotype?
Explain.
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What does the staining pattern help to identify?
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You have been presented with the following image of a cell from an organism that is known to have a diploid number of 8 (i.e., 2n = 8). What stage of either mitosis or meiosis is this cell currently in? Clearly explain your reasoning.
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Look at the immunohistochemical fluorescent tagged picture below. In this preparation multiple proteins were "tagged" using antibodies or chemicals that were conjugated to fluorescent tags. The blue stain is DAPI which binds to adenosine/tyrosine rich areas of DNA. The green stain identifies microtubules. You will notice that unlike H and E preparations you can't see any other structures within the cell. Adjacent to the cell of interest there are multiple nuclei visible which show diffuse and unorganized DNA. What stage...
Below (see diagram) is a human karyotype:
A) What is the sex of this individual?
B) Which of the following best describes the chromosomes in the
karyotype: 1N, 2N, 4N, 23N, 46N?
C) How many chromatids are present in this karyotype?
Explain.
D) The chromosomes here are stained with Giesma stain, and
distinct light and dark bands can be seen.
What does the staining pattern help to identify?
E) What chromosomal abnormality/abnormalities do you observe in
this karyotype? (Be as...
Scientists want to design fluorescent marker proteins for different cellular compartments using the Green Fluorescent Protein (GFP). This means that the GFP will be targeted and glow at the organelle of interest and they can use these to mark different organelles during fluorescence microscopy. To make these marker proteins, they take the sequence of GFP and add the desired sorting signal. A. GFP on its own is an excellent protein to use as an organelle marker protein because it is...
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