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1. Which of the following would NOT be a cause of an epigenetic syndrome.
a. in vitro fertilization
b. acute stress
c. famine
d. all of the above could cause an epigenetic syndrome
2. Turned on or off genes can be passed on to future generations in mice.
a. true
b. false
3. The evidence that showed that a specific gene was associated with a specific chromosome was produced by
a. Mendel
b. Morgan
c. Sturtevant
d. Chargaff
A lion is heterozygous at two linked autosomal loci. The alleles are in coupling phase. If the two genes are 30 cM apart what gamete types can be produced.
In Drosphila, vestigial wings (vg) are recessive to normal long wings (vg+), and the gene for this trait is autosomal. The gene for the recessive white eye trait (w) is on the X chromosome. Suppose a homozygous white, long-winged female fly is cro..
A beaker with 100 of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100. A student adds 6.60 of a 0.350 solution to the beaker. How much will the pH change? The of a..
Assume ou have overexpressed p16INK4a in ESCs and you detect increased phosphorylation of RB. The cell cycle in those cells is inhibited with cells accumulating in S-phase. Is this possible?
How many pairs of genes regulating tail length character. Adding of H+ or OH- to a reaction increased its overall rate indicating the rate limiting step was the addition of H+ or OH- to the intermediate. Is this really true? Why or why not.
Animals can be classified according to their mode of thermoregulation. Sort the animals below, indicating their likely thermoregulatory strategy. Note that poikilotherms are sometimes referred to as heterotherms.
make an experiment to test what happens (i.e. what is the final plasmid DNA content of cells in a transformed colony) if a competent cell is transformed with circular double-stranded plasmid DNA where there is a mis-match (e.g. a G-T base-pair ins..
Two genes located on separate autosomes determine flower color and shape. The gene for flower color exhibits incomplete dominance, where the color can be red.
Cystic fibrosis is a genetic disease that leads to formation of thickened mucus in the lungs, pancrease, and other organs. In the lungs, the mucus impeads airflow and the removal of particulates leading to infection.
The antibiotic anisomycin is expected to not inhibit the growth of bacteria and to inhibit the growth of Halobium. Anisomycin is resistant to bacteria,
What is the purpose of an uninoculated control tube in a differential test? Should this tube be incubated with the tubes that are inoculated? Why or why not?
Decreasing the extracellular K+ concentration would be expected to have which of the effects on the resting membrane potential and excitability of the cell?
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