Horticulturists are attempting to breed a rare and beautiful variety of pine tree, where all the branches droop gracefully to the ground, rather than extend outward in the normal manner. Drooping branches are recessive, and the normal variety is due to a dominant
gene. What percentage of the drooping variety will be produced by crossing two heterozygous pines?

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?