In fruit flies, which of the characteristics you studied was X-linked? ____________________

Fill in the blank(s) with the appropriate word(s).


Answer: Eye color

Biology & Microbiology

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Structures that appear along the synaptonemal complex during pachytene where genetic material is exchanged between nonsister chromatids are the ________.

A) chiasmosomes B) telomeres C) centromeres D) recombination nodules E) kinetochores

Biology & Microbiology

By definition, how much salt does fresh water contain?

A) less than 0.0001% B) less than 0.1% C) about 1% D) absolutely none

Biology & Microbiology

The smaller a population, the 

A. more genetic diversity it contains. B. more likely it is that mutation will occur. C. more likely it is that random events will change the gene frequency. D. older the organisms are.

Biology & Microbiology

Which of the following statements about prostaglandins is not true?

A. Prostaglandins promote inflammation. B. Prostaglandins can only constrict blood vessels. C. Prostaglandins are made in the renal medulla. D. Prostaglandins can lead to pain and fever.

Biology & Microbiology