A pure breed of roses always produces red flowers. The sudden appearance of a yellow rose on this plant would be evidence of
O segregation
O mutation.
O grafting
O dominance.

What percentage of light hits earth's surface directly?

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions

Urgent in guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?