In the biology lab, you observed that your lab partner's blood type is AB. The placement of the A and B molecules on each cell is controlled by proteins, coded by different versions of the same gene. Having both is an example of
A. dominant inheritance.
B. recessive inheritance.
C. independent assortment.
D. incomplete dominance.
E. codominant inheritance.
E. codominant inheritance.
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If there are 100 individuals in a population and 20 are homozygous for B, 60 are heterozygous, and 20 are homozygous for b, what is the allele frequency of B?
A. 20% B. 40% C. 50% D. 80% E. It can't be calculated from this information.
Which of the following is a habitat?
a. predator b. intestinal tract c. parasite d. producer e. decomposer
Which of the following statements about bacteria is false?
a. A small percentage of bacteria are pathogenic. b. Some bacteria can photosynthesize. c. Bacteria are important decomposers. d. Bacteria are not cellular and are sometimes not classified as life forms. e. Bacteria convert atmospheric nitrogen into ammonia and then nitrates that can be used by plants.
For the following questions, choose the letter from the list below that best matches the description (please note the answer should be a single upper case letter):A. DesertB. SavannaC. TaigaD. Temperate grasslandE. Tropical rain forestVery high solar energy input; temperature and moisture not limiting; high biomass, high total productivity; many species.
Fill in the blank(s) with the appropriate word(s).