DNA evidence is sometimes used to address what legal issues? How reliable is DNA evidence in a court of law?
What will be an ideal response?
This is an open-ended question with many possible answers, some may include cases of rape, cases involving presence of a suspect at the scene of a murder or some other crime, cases involving questions of parentage. Students should understand that in most cases DNA evidence is extremely reliable.
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If a female fruit fly is heterozygous and carries one allele for white eyes and one allele for red eyes, her mutant allele and her nonmutant allele will segregate during meiosis I
A. true B. false
Okazaki fragments do which of the following?
A. Assist in forming the replication fork B. Bind to the oriC region C. Assist in the synthesis of DNA from the lagging strand D. Reform the double-helix following replication E. None of the answers are correct
About 10-20% of patients with Leigh Syndrome, a mitochondrial disease, have a mutation in MT-ATP6, a gene that
codes for ATP synthase. These patients often experience high levels of _____ in their cells due to an increase in levels of pyruvate that are unable to convert to acetyl-CoA.
a. NADH b. FADH2 c. lactate d. ethanol e. carbon dioxide
The Casparian strip prevents water from diffusing through the ____.
A. epidermis B. vascular tissue C. cortex D. cytoplasm of endodermal cells E. endodermal cell walls