In a heterozygous individual, the allele being expressed is
A. recessive.
B. codominant.
C. pleiotropic.
D. dominant.
E. epistatic.
D. dominant.
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Metabolic pathways can be either catabolic or anabolic but not both.
Answer the following statement true (T) or false (F)
Francis Galton, a contemporary of Charles Darwin, studied variation in complex traits such as human height. Using the bar graphs shown below, answer the following question:
Which of the following statements best describes graph (a), which depicts Galton's data showing distribution of offspring height from the tallest parents he studied? A. The parental mean for the tallest parents is larger than the mean height of their offspring. B. The parental mean for the tallest parents is smaller than the mean height of their offspring. C. The average height of the offspring from the tallest parents is not related to the average height of their parents. D. The average height of the tallest parents is not much more than the population mean height.
Which of the following is NOT an active form of an
enzyme? a. trypsin b. amylase c. pepsin d. pepsinogen e. chymotrypsin
What type of cellular damage in a malarial parasite would prevent it from penetrating a red blood cell?
A. Failure of the cross-linking of the peptidoglycans B. Mutation in the variable surface glycoprotein genes C. Damage to the choanocytes D. A disruption of the cytoskeletal proteins