When two extreme phenotypes are crossed and all of the progeny have an intermediate phenotype, what might be the cause? 1: complete dominance of one trait over another 2: incomplete dominance 3: codominance 4: sex linkage

Why might surface mining be less risky for miners than underground mining? a. surface miners can become trapped in a collapsed mine. b. surface miners work in dusty, enclosed areas. c. surface miners work aboveground. d. surface miners use elevators to enter mines.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Do plant cells perform cellular respiration?