Most evidence indicates that skin color is controlled by ____ gene pair(s)
a. one
b. two to three
c. ten
d. five to seven
e. fifteen
c
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Which of the following can control mRNA stability?
A. The stop codon that is used to terminate translation in the mRNA B. AU rich elements in the mRNA C. distance of the stop codon to the polyA tail D. number of A's in polyA tail
The figure above illustrates a(n) ____
a. guanine nucleotide b. cytosine nucleotide
c. thymine nucleotide d. adenine nucleotide e. uracil nucleotide
The failure of chromosomes to separate during
mitosis or meiosis is called a. genetic displacement. b. trisomy. c. crossing over. d. nondisjunction. e. disjunction.
The total resources a population consumes and the wastes it produces is its ____
a. ecological footprint b. vital capacity
c. carrying capacity d. non-renewable resources e. limiting factor