Under what conditions does one expect a 1:1:1:1 ratio?

What will be an ideal response?


This occurs in a cross involving doubly heterozygous individuals crossed to fully recessive individuals. The genes involved assort independently.

Biology & Microbiology

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Over time, a sensory neuron will decrease its responsiveness to a specific signal. This

A. accommodation B. appreciation C. adaptation D. alleviation

Biology & Microbiology

Biologically, which of the following is the least important characteristic of water?

A) Water molecules are polar. B) Water molecules have numerous hydrogen bonds. C) Water is a good solvent. D) Water typically contains isotopes of hydrogen. E) Water has a temperature-stabilizing capacity.

Biology & Microbiology

A weakly oxidase-positive, nonfermenting gram-negative rod is isolated from respiratory sample. Traditional biochemical reactions include: arginine dihydrolase-negative; lysine decarbox-ylase-positive; gelatin liquefaction-positive; oxidizes lactose and glucose

a. B. cepacia b. B. vesicularis c. P. aeruginosa d. Pandoraea spp.

Biology & Microbiology

Steroid hormones are lipids made from

A) amino acids. B) cholesterol. C) nucleic acids. D) carbohydrates and amino acids.

Biology & Microbiology