Exam (elaborations)
GENETICS LAB FINAL EXAM QUESTIONS AND ANSWERS
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GENETICS LAB FINAL EXAM QUESTIONS AND ANSWERS
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Name: Score:44 Multiple choice questions
Term 1 of 44
According to Mendel's hypothesis of dominant/recessiveness, If an individual receives two
________ "units of inheritance" for a gene, one can be _________ to the other.
Similar/recessive
Dissimilar/dominant
Dissimilar/recessive
Identical/dominant
Term 2 of 44
After which cleanup stage of the DNA Extraction protocol is DNA the most pure?
ethanol
carbon dioxide
glucose
alternative
Term 3 of 44
When quantifying DNA: the higher the absorbance of light in the sample, the higher the
concentration of DNA.
True
False
,Term 4 of 44
You are given a vial containing pure-bred P-generation flies. You use a CO2 pad to immobilize
them and then determine their sexes and phenotypes under the microscope. This process is
known as:
Packaging
Grading
Scaling
Scoring
Term 5 of 44
A: You notice that the palm tree outside your house grows faster in summer when there is
much rainfall.
B: You wonder whether it's the increase in water that is causing the increase in growth.
C: You predict that palm trees will grow more in summer (wet season) than in the winter (dry
season).
Which sentence is your scientific hypothesis?
P2
There were no flies with an intermediate eye color phenotype in the F1.
accept
B
Term 6 of 44
If you get an insignificant p-value > .05 , you accept your null hypothesis.
reject
achieve
defer indefinitely
accept
,Term 7 of 44
You own two cats, one male with black fur and one female with white fur. When they have
kittens, you notice that all of them have gray fur. What are the possible modes of inheritance
for cat fur color? (Check all that apply)
There were no flies with an intermediate eye color phenotype in the F1.
-Incomplete Dominance
-Autosomal Inheritance (Dihybrid)
Recording the hunting patterns of big cats
To separate the precipitate from the supernatant.
Term 8 of 44
True or false? Each gamete carries a single allele for each gene.
True
False
Term 9 of 44
True or false. A good methods section should be detailed enough that someone could
recreate what you did in your experiment.
True
False
Term 10 of 44
Which of the following is an example of descriptive science?
Testing the effectiveness of a new medication
Analyzing the chemical composition of a new material
Recording the hunting patterns of big cats
Conducting experiments on the effects of climate change
, Term 11 of 44
P values can be defined as:
The probability of obtaining similar results in future experiments.
The chance of making a type i error in your experiment.
The probability that your observed deviations can be attributed to chance alone.
The likelihood that your hypothesis is correct.
Term 12 of 44
During the at-home fruit extraction protocol, the mixture of dish soap, salt, and water acts as
which of the following?
A way to mechanically grind the tissue.
A way to precipitate out the dna.
-salts and other Contaminants -dna
A form of Lysis Buffer
Term 13 of 44
During the first debris removal step, after KOAc (Potassium acetate) is added and the sample
in centrifuged, the _________ is in the pellet and the _________ is in the supernatant.
codominant
Clearing
A form of Lysis Buffer
-debris
-DNA
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