A scientist plants two rows of corn for experimentation. She puts fertilizer on row 1 but does not put fertilizer on row 2. Both rows receive the same amount of sun and water. She checks the growth of the corn over the course of five months. a. Come up with TWO reasonable hypotheses:
b. What are the controlled variables?
c. What are the independent and dependent variables?
d. Draw a hypothetical results table:
e. What is a possible conclusion?

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

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carbon atoms, hydrogen, oxygen, and nitrogen.