You are the scientific consultant for a television show about forensic analysis. In an upcoming episode, investigators will compare the DNA of a suspect and a DNA sample collected from the victim's fingernails. You are to write up a brief explanation of the technique required for comparing the DNA. Which technique should you explain?
A. DNA fingerprinting
B. Fluorescent in situ hybridization
C. RT-PCR
D. RNAi
Answer: A
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In a population in Hardy-Weinberg equilibrium, the frequency of recessive alleles will ________ over time.
A) increase B) decrease C) remain the same D) increase and then decrease
The observation that some modern humans contain Neanderthal DNA suggests _____________________ occurred
between H. sapiens and Neanderthals. Fill in the blank(s) with the appropriate word(s).
During cell division, it is essential that the genetic material be distributed equally to the two daughter cells. This is accomplished through the participation of which one of the following organelles?
A) centrioles B) ribosomes C) peroxisomes D) Golgi apparatus E) nucleolus
Gibberellin stimulates ____.
A. fruit ripening B. leaf abscission C. lateral root formation D. stem lengthening between the nodes E. stem lengthening at the tip