If a man expresses an X-linked recessive trait, ____

a. all of his brothers will also express it
b. his father transmitted the trait to him


c. his father carried the trait
d. all of his sisters will also express it
e. his mother was heterozygous or homozygous for the trait


e

Biology & Microbiology

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Which tissue is striated and can contract rapidly, producing voluntary movements?

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Transpiration is 

A. the process by which bacteria converts ammonia into nitrite. B. a type of symbiotic relationship. C. the accumulation of a pesticide as it moves through a food chain. D. the loss of water from plant surfaces.

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Lungs are a more efficient method of respiration than gills.

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

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The model of species selection is analogous to natural selection. In this analogy, ________ are like individuals within a population, and ________ is analogous to reproduction

A) major groups of organisms; extinction B) species; speciation C) genes; gene duplication D) families; interbreeding

Biology & Microbiology