You are trying to determine if a newborn boy has an X-linked genetic disorder by analyzing a family pedigree. Which of these findings would rule out the X-linked hypothesis?
A) All the sons of the baby's grandmother have the disorder.
B) There are no females in the pedigree with the disorder.
C) Neither parent has the disorder.
Answer: C
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Functional traits can be shared between organisms with divergent SSU rRNA sequences because
A) functional traits may be lost by different lineages over time. B) functional traits may evolve independently in different lineages over time. C) horizontal gene transfer can result in the transfer of genes between divergent lineages. D) functional traits may evolve independently, be shared through horizontal gene transfer, or be lost in divergent lineages.
If chromosomal DNA from a host and phage DNA are carried by a transducing particle, what can be concluded regarding transduction in this case?
A. Transduction in this case is neither generalized nor specialized. B. Transduction in this case could be generalized or specialized depending on the phage involved. C. Transduction in this case is specialized rather than generalized. D. Transduction in this case is generalized rather than specialized.
Amnesia is common after surgery due to the drugs used to anesthetize the patient. Which brain region is most affected
by these drugs to cause this symptom?
a. brain stem b. Broca's area c. limbic association cortex d. prefrontal association cortex e. parietal-tempora-occipital association cortex
The process that excretes undigested and unabsorbed residues is
a. absorption. b. assimilation. c. secretion. d. digestion. e. elimination.