The polytene chromosomes of Drosophila are an example of _________
A. aneuploidy
B. polyploidy
C. translocations
D. inversion loops
E. None of the answers are correct
B
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Histone codes are important because: (Select all correct choices)
A. they are associated with chromatin remodeling and are therefore thought to affect gene transcription. B. they are associated with CpG island methylation and are therefore thought to affect gene transcription. C. they are associated with cancer genes and their regulation by gene transcription. D. they are associated with the environmental and developmental cues that determine whether viral genes and genes in transposable elements are turned off and on.
A factor associated with SIDS is ____
a. sleep apnea b. lung cancer c. high altitude sickness d. low red blood cell count e. TB
If a DNA sample were composed of 10% thymine, what would be the percentage of guanine?
A) 10 B) 40 C) 80 D) It is impossible to tell from the information given.
Proximate Hypothesis/cause
What will be an ideal response?