The real power of DNA fingerprinting comes from simultaneously determining the alleles an individual carries at how many STR locations?

a) 3
b) 2
c) 23
d) 20
e) 13


Ans: e) 13

Biology & Microbiology

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Which immunoglobulin is the most common in gland secretions?

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Two major types of protein secondary structures are referred to as:

a. amino and carboxyl. b. ? helix and ? sheet. c. elementary and primary. d. residual and permanent. e. ionic and covalent.

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What proportion of the population is probably heterozygous (Aa) for this trait?

A) 0.05 B) 0.25 C) 0.50 D) 0.75

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