An example of a phenotypic trait where observation of phenotype can easily identify the genetic variation is:
A. color markings in certain invertebrates.
B. human skin color.
C. human blood type.
D. color markings in certain invertebrates and
human blood type.
E. human skin color and blood type.
D
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Which American scientist focused on the coloration of animals that he collected from surface waters and dredged depths?
a. Alexander Agassiz b. Victor Hensen c. Sir Alistair Hardy d. Charles Wyville Thomson
The offspring of a cross between two individuals that breed true for different forms of a trait are __________. Fill in the blank(s) with the appropriate word(s)
If you were a bacterial cell, which of the following would be the most beneficial for you to have or be able to make for the survival of your species?
A. Endospore B. Pilus C. Cilia D. Exotoxin
Which of the following can be used to isolate pure cultures of bacteria from mixtures?
A. Streak plates B. Pour plates C. Spread plates D. All of the choices are correct.