Which type of hybridization method would be the optimal choice to use to detect a lesion infected with a particular virus?
a. Southern
b. In situ
c. Peptide nucleic acid
d. Sandwich
B
In situ hybridization allows a pathogen to be identified within the context of the pathologic le-sion being produced.
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The gene encoding apolipoprotein B exists in two isoforms, APOB100 and APOB48. These two forms are produced as a result of
A. tissue-specific expression. B. a gene mutation that results in a stop codon. C. RNA editing. D. alternative splicing.
Heterospory refers to having ____
a. both male and female gametes b. two types of spores in two different types of sporangia c. both male and female parts on the same plant d. separate male and female plants e. both sporophyte and gametophyte generations
Which monohybrid trait was not tested by Mendel during his experiments with the pea plants? a. All of these choices were tested by Mendel
b. Stem length c. Pod texture d. Flower color e. Seed color
A gene accumulates one mutation every 100
years. If one species splits into 2 now, how many differences will exist in that gene between the two in 500 years? a. 2 d. 100 b. 5 e. 500 c. 10