About 4% of those of Northern European descent are carriers for ____, an autosomal recessive genetic

disorder where a defective membrane transport protein leads to abnormal chloride levels in
extracellular fluids.



a. Duchenne muscular dystrophy
b. phenylketonuria
c. achondroplasia
d. sickle-cell anemia
e. cystic fibrosis


E

Biology & Microbiology

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True or false: only those mutations that occur in somatic (body) cells can be passed onto progeny

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Which of the following is NOT contained in

gastric fluids?

a. acid b. mucus c. pepsin d. salivary amylase e. all of these are contained in gastric fluids

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Conserved indels are ________.

A. sequences in eukaryotic mRNAs that are removed by RNA splicing B. a type of signature sequence particularly useful for phylogenetic analysis C. sequences of protein coding genes that are found altered in related species due to their tendency to accumulate small deletions D. a type of transposable sequence characteristic of a particular genus, and useful for taxonomic analysis

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Differentiate between macroevolution, microevolution, and speciation. What will be an ideal response?

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