In a DNA profile analysis using two loci, the chance of a match between two unrelated individuals at one locus is 1 in 400, and 1 in 1000 at the second locus. Therefore, the overall probability that two unrelated individuals will match at both loci is ____________________

Fill in the blank(s) with correct word


1 in 400,000
1/400,000
1 in 400000
1/400000

Biology & Microbiology

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Someone who steps on a sharp nail will quickly lift their foot away. This quick reaction is known as a(n) _____________________

Fill in the blank(s) with correct word

Biology & Microbiology

The Kaibab limestone layer of sedimentary rock is the closest to Earth’s surface; therefore ____

a. it contains fossils of extinct species only b. it contains the greatest density of fossils c. it is part of the K-Pg boundary sequence d. it is the oldest layer e. it is the youngest layer

Biology & Microbiology

If the genotypic frequencies for an allele in a population at Hardy-Weinberg equilibrium are 0.635 homozygous dominants, 0.430 heterozygotes, and 0.125 homozygous recessives, what is the frequency of the recessive allele?

A) 0.35 B) 0.65 C) 0.125 D) 0.875 E) 0.01

Biology & Microbiology

A typical enzyme found in the human body should have which optimum temperature?

a) 23 degrees C b) 37 degrees C c) 0 degrees C d) 100 degrees C

Biology & Microbiology