Which of the following is NOT a piece of genetic evidence that supports the "out of Africa" hypothesis for the origin of humans
A. mtDNA seqeunces from African and Non-
African samples indicates a divergence time
of approximately 200,000 years.
B. Genetic diversity of mtDNA sequences
among African samples is greater than
genetic diversity of mtDNA sequences among
Non-African samples.
C. mtDNA alleles present in Europe are a sub
-set of mtDNA alleles derived from those
present in Africa.
D. mtDNA alleles among samples from Africa
are more similar than mtDNA alleles among
samples from Europe
D
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If two genes control a trait and each has a dominant and a recessive allele, there are ____ phenotypic classes in the F2 generation
a. three b. five c. nine d. sixteen e. thirty-two
Bioaugmentation
A. adds specific microorganisms to the polluted site. B. only enhances the growth, onsite, of the resident population of microbes. C. usually utilizes genetically engineered bacteria. D. is typically done offsite. E. only enhances the growth, onsite, of the resident population of microbes AND usually utilizes genetically engineered bacteria.
The function of vertebrae is to
A. protect the brain. B. protect the nerve chord. C. protect the nerve cord and provide attachment points for muscles. D. provide attachment points for muscles. E. protect the brain and nerve cord.
Within eukaryotic cells, energy is derived from the breaking down of glucose. What is this process called?
A) dehydration synthesis B) photosynthesis C) cellular respiration D) transformation