If your mother and father both are healthy but carry the allele for cystic fibrosis, which is caused by a recessive allele,
the odds of you inheriting at least one allele for the disorder are ____.
a. 1/4
b. 1/2
c. 3/4
d. 1
e. 0
ANSWER: c
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An enzyme that has been isolated from retroviruses and is used to generate cDNA is
A. transverse ligase. B. reverse transcriptase. C. reverse endonuclease. D. recombinant RNase. E. RNA polymerase.
Mycolic acids are exclusively present in Mycobacterium spp. and can be distinguished by a(n) ________ staining procedure (which is, therefore, a diagnostic utility to identify mycobacteria)
A) acid-fast B) DAPI C) Gram D) lipo
A trait shows ____ if the phenotype of that trait is present in less than 100% of those with the related genotype
a. autosomal recessive inheritance b. autosomal dominant inheritance c. incomplete dominance d. incomplete penetrance e. incomplete expressivity
What is the sugar molecule found in DNA?
a. ribose b. phosphatase c. deoxyribose d. oxyribose e. polymerase