A ____ is best used to demonstrate the linkage of two genes

a. monohybrid cross
b. dihybrid cross
c. monohybrid test cross
d. two-allele test cross
e. two-point test cross


e

Biology & Microbiology

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Proteins are polymers formed of structural units called:

A. fatty acids. B. amino acids. C. nucleotides. D. phosphate groups. E. monosaccharides.

Biology & Microbiology

In modern terminology, Mendel's heredity "factors" are called  

A.  DNA. B.  chromosomes. C.  genes. D.  RNA.

Biology & Microbiology

The addition of excess phosphorus causes lakes to become eutrophic because the nutrients trigger blooms of

photosynthetic cyanobacteria. Why do these blooms cause low oxygen levels in lakes?

a. Cyanobacteria use up more oxygen than they produce. b. Excess phosphorus binds to dissolved oxygen in the water. c. Cyanobacteria are net producers of oxygen while alive, but when they die aerobic bacteria use oxygen while decomposing them. d. Cyanobacterial blooms only occur in waters naturally low in oxygen. e. Cyanobacteria are aerobic heterotrophs, consuming oxygen and producing carbon dioxide.

Biology & Microbiology

Which of the following is not used in PCR amplification of DNA?

A) Double-stranded DNA template B) Oligonucleotide primers C) DNA polymerase D) Buffer E) ddNTPs

Biology & Microbiology