Chun-Hong Chen and colleagues (2007 ) designed a new gene that would carry a strong selective advantage and confer the resistance to malaria on free-living mosquitoes. What was the acronym given this gene, and what does the acronym stand for?

What will be an ideal response?


The gene was termed Medea, and this acronym stands for maternal-effect dominant embryonic arrest.

Biology & Microbiology

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The process by which plants produce seeds begins with fertilization

a. True b. False

Biology & Microbiology

Which of the following is ABSENT in the charophyte ancestors of land plants?

a. spores b. gametes c. multicellular organs d. diploid embryos e. chlorophyll b

Biology & Microbiology

Otoliths contain which compound?

a. calcium carbonate b. calcium oxalate c. sodium chloride d. potassium chloride e. sodium carbonate

Biology & Microbiology

Crossing over occurs during _________________.

A. anaphase I B. metaphase II C. prophase I D. prophase II E. telophase II

Biology & Microbiology