About 80% of the human population can taste the chemical phenolthiocarbamide(ptc)" while the otter 20% can't. this characteristic is governed by a single gene with two alleles, a tasting allele and a non-tasting allele. what does this statistic tell us about which allele( tasting or non-tasting) is dominant?

The lake of the ozarks is a human-made lake, so it collects runoff from coal strip-mining, fertilizers, resort wastewaters, and septic drainages. the average lake temperature is between 10∘c and 21∘c. consider the physical requirements for growth and multiplication that would allow fecal coliforms to “blossom” in the lake of the ozarks. which of the following would accurately describe these organisms? check all that apply. psychrophiles facultative halophiles extremophiles mesophiles hyperthermophiles