True or False: If the receptors for pheromones are activated, a mating will be guaranteed
A. true
B. false
B
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Polyploid individuals arising from chromosome duplications within a single species are called ____
a. allopolyploids b. tetraploids c. triploids d. autopolyploids e. hexaploids
The organ responsible for excretion of both
urine and feces indicated by the letter"F" is called the a. mouth. b. crop. c. gizzard. d. secreting portion of stomach. e. cloaca
When true breeding red tulips are crossed with true breeding white tulips, the progeny have pink flowers. This is an
example of: a. incomplete dominance. b. codominance. c. pleiotropy. d. epistasis. e. norm of reaction
Most genes of an organism
a. show unregulated expression. b. are expressed at high levels. c. are never expressed. d. are expressed only in specific cell types. e. are expressed at low levels.