True or false: using current DNA-sequencing technology, it is possible to sequence an entire chromosome (e.g., human chromosome 1, which contains approximately 250 million nucleotides) at once as one long fragment
A. true
B. false
B
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An example of mesoplankton would be
a. larval fishes. b. Sargassum seaweed. c. invertebrate larvae. d. green flagellates. e. bacteria.
In garden peas, one pair of alleles controls the height of the plant, and a second pair of alleles controls
flower color. The allele for tall (D) is dominant to the allele for dwarf (d), and the allele for purple (P) is dominant to the allele for white (p). A tall plant with purple flowers crossed with a dwarf plant with white flowers produces 1/4 tall purple, 1/4 tall white, 1/4 dwarf purple, and 1/4 dwarf white. What is the genotype of the parents? What will be an ideal response?
Can you inherit physical traits that your parents acquired during their lifetime?
A) No B) Yes C) Only if it improves survivability D) Only if it improves reproductive success
MSG is often used as a seasoning to enhance the flavors of meat, fish, and vegetables. Which type of taste receptor cell responds to MSG?
A) Bitter B) Sweet C) Umami D) Salty E) Sour