recessive genes are expressed under which of the following conditions?
a. every time they are found in an organism.
b. in green plants that reproduce through seeds.
c. when asexual organisms produce a pair of offspring.
d. only in the absence of dominant genes for the same trait.

The transport tubes from food came down the plant are called?

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

Which of the following may one conclude from a map that shows the average ph value of rainfall in the u. s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u. s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u. s.