In evolutionary terms, an organism's Darwinian fitness is measured by its __________.

A. genetic variability
B. contribution to the gene pool of the next generation
C. mutation rate
D. health


B. contribution to the gene pool of the next generation

Biology & Microbiology

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Mendel chose the garden pea for his work on inheritance for which of the following reasons? Check all that apply. 

_____ Some traits in pea plants are controlled by one dominant allele and one recessive allele. _____ Earlier investigators had shown segregation among the offspring. _____ A large number of true breeding varieties were available. _____ The generation time was short; many offspring can be grown easily. _____ He could choose to self- or cross-pollinate.

Biology & Microbiology

The amount of ________ is fairly constant throughout the cell cycle, but the amount of ________ varies

A. cyclins; cyclin-dependent kinases B. DNA; cyclins C. cyclin-dependent kinase; DNA D. cyclins; DNA

Biology & Microbiology

Genome databases have been created for all of the following model organisms except for which one?

A. fruit fly B. mice C. humans D. bacteria E. alligator

Biology & Microbiology

A solution with a pH of 7 is

A) strongly acidic. B) weakly acidic. C) neutral. D) weakly basic.

Biology & Microbiology