Knowing that each diploid organism has one copy of each gene, a scientist can calculate the relative abundances of the
different alleles in a population.
a. True
b. False
ANSWER: False
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Answer the following statements true (T) or false (F)
1. Dehydration synthesis reactions always involve the removal of a molecule of water. 2. The biosynthesis of polysaccharides, polypeptides, and nucleic acids are examples of catabolic reactions. 3. Oxidation–reduction reactions are paired reactions that involve the transfer of electrons. 4. Breaking a disaccharide down into its two monosaccharide components is an example of a hydrolysis reaction. 5. Anabolic reactions are a cell's major source of energy.
A sterile hybrid plant can form a new fertile species if its chromosomes are doubled. This is referred to as ____
a. allopatric speciation b. cladogenesis c. a hybrid zone d. anagenesis e. sympatric speciation
An example of a primary sex characteristic in males is:
a. growth of facial hair. b. growth of body hair. c. spermatogenesis. d. muscle development. e. increase in length of vocal cords.
Which of the following statements is TRUE of highly repetitive sequences?
A. They can be found millions of times in a eukaryotic genome. B. They typically decrease fitness of the organism. C. They play a vital role in transcription. D. They typically increase fitness of the organism. E. They play a vital role in translation.