Genes encoding the blood proteins myoglobin and hemoglobin are derived from a common gene ancestor. These proteins both occur in humans. The genes for myoglobin and hemoglobin are

A. analogs.
B. topologs.
C. paralogs.
D. orthologs.
E. pentalogs.


C. paralogs.

Biology & Microbiology

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How many kinds of gametes will be expected from an individual with the genotype PpCcTTRr?

What will be an ideal response?

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A trait in which the heterozygotes have a phenotype that is intermediate between the dominant and recessive phenotypes is an indication of

a. codominance. b. pleiotropy. c. a sex-linked trait. d. incomplete dominance. e. None of these are correct.

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The rate of killing by an antimicrobial agent may slow when the microbial population has been greatly reduced because the remaining population may have a high proportion of resistant organisms.

Answer the following statement true (T) or false (F)

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Most of the ultraviolet radiation reaching the upper atmosphere is absorbed by

A. CFCs. B. water vapor. C. ozone. D. carbon dioxide. E. nitrogen.

Biology & Microbiology