1. Which sex chromosomes are limited to only one sex?
A. X and Z
B. X and W
C. Y and Z
D. Y and W
E. X and Y
2. Which karyotype is female in flies and male in humans?
A. XX
B. XY
C. XO
D. XXY
E. XYY
3. Which karyotype is male in flies and female in humans?
A. XX
B. XY
C. XO
D. XXY
E. XYY
4. Which karyotype can have 2 Barr bodies?
A. XY
B. XX
C. XXY
D. XXXY
E. XXXXY
5. Which human genetic disorder is not caused by aneuploidy?
A. Down syndrome
B. Edward syndrome
C. Patau syndrome
D. Klinefelter syndrome
E. CML (Chronic Myelogenous Leukemia)
6. If you are a male, your X chromosome contains genes derived
from
A. your paternal grandfather only.
B. your maternal grandfather only.
C. both your paternal and maternal grandfathers.
D. both your paternal grandfather and grandmother.
E. both your maternal grandfather and grandmother.
In: Biology
List 3 potential metabolic "fates" of pyruvate OR glucose-6-phosphate. Indicate the metabolic environment associated with each fate (i.e. catabolic/ATP producing/anabolic/etc)
In: Biology
8. A man has blood type A and his wife has type B. A physician types the blood of their four children and is amazed to find one of each of the four blood types among them. He is not familiar with genetics and calls upon you for an explanation. Provide one.
In: Biology
33. True or False. The hormones involved in the hypothalamic are non-tropic in nature
answer quickly please
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The bridge reaction between glycolysis and Krebs involves the conversion of __________ to Acetyl CoA.
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Identify at least two (2) factors (other than culture) that can impact a person's food choices and provide a specific example for each. PLease use apa citation with this answer
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In microbiology, many different species of bacteria may have the same shape – rods, spheres, or spirals. Using the Internet as an information source, list some criteria that microbiologists can use to key out microorganisms that may have the same physical appearance.
In: Biology
2. Explain these Bioethical Issues ( Minimum of 5 Sentences each)
a. Abortion
b. Euthanasia
c. Female Genital Mutilation
d. Contraception
e. Stem Cell, Cloning and Genetically Modified Organisms (GMOs)
f. Organ and Blood Donation
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The Black Langshan chicken breed has feathered legs. When Black Langshan chickens are crossed with Bluff Rock chickens, which have unfeathered legs, all F1 has feathered legs. In the F2 only 24 out of 360 individuals have unfeathered legs while 336 chickens have feathered legs. (a) What type of gene interaction controls this phenotype? (b) Test your hypothesis using chi-square analysis.
In: Biology
4. Where is phylum basidiomycota found, how do they get their food, what are some examples of these fungi and what is the name of their reproductive structure called?
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Rods and cones in your eyes have very different dynamic ranges to allow for the detection of a huge range of light intensities. Sensitivity of these cells to light stimuli sufficient to cause an action potential determines the lower threshold for these neurons, but, based on what you know about action potentials and action potential propagation, explain what sets the upper limit for the dynamic range of these cells.
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How would you use a cladogram to make the argument that a k-strategy evolved at least two times in the history of vertebrates.
In: Biology
1a. Draw a picture of what is happening molecularly with the latex agglutination test.
1b. Why, of all the proteins, does the latex agglutination test assess presence of PBP2a?
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What type of gametes can be produced by simple non-disjunction of the sex chromosomes in a human male? Simple non-disjunction means that non-disjunction occurs in meiosis I or meiosis II, but not in both meiosis I and meiosis II. Choose all answers that are correct.
In: Biology